Remove trailing whitespace

Go through source files and remove all trailing whitespace

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
diff --git a/include/ip6tables.h b/include/ip6tables.h
index 8360617..1050593 100644
--- a/include/ip6tables.h
+++ b/include/ip6tables.h
@@ -65,7 +65,7 @@
 struct ip6tables_target
 {
 	struct ip6tables_target *next;
-	
+
 	ip6t_chainlabel name;
 
 	const char *version;
@@ -87,7 +87,7 @@
 	int (*parse)(int c, char **argv, int invert, unsigned int *flags,
 		     const struct ip6t_entry *entry,
 		     struct ip6t_entry_target **target);
-	
+
 	/* Final check; exit if not ok. */
 	void (*final_check)(unsigned int flags);
 
diff --git a/include/iptables.h b/include/iptables.h
index 25f36ae..dd844c1 100644
--- a/include/iptables.h
+++ b/include/iptables.h
@@ -170,7 +170,7 @@
 
 extern int delete_chain(const ipt_chainlabel chain, int verbose,
 			iptc_handle_t *handle);
-extern int flush_entries(const ipt_chainlabel chain, int verbose, 
+extern int flush_entries(const ipt_chainlabel chain, int verbose,
 			iptc_handle_t *handle);
 extern int for_each_chain(int (*fn)(const ipt_chainlabel, int, iptc_handle_t *),
 		int verbose, int builtinstoo, iptc_handle_t *handle);
diff --git a/include/iptables_common.h b/include/iptables_common.h
index ed5b9c0..82b0feb 100644
--- a/include/iptables_common.h
+++ b/include/iptables_common.h
@@ -10,16 +10,16 @@
 extern void exit_printhelp(void) __attribute__((noreturn));
 extern void exit_tryhelp(int) __attribute__((noreturn));
 int check_inverse(const char option[], int *invert, int *optind, int argc);
-extern int string_to_number(const char *, 
-			    unsigned int, 
+extern int string_to_number(const char *,
+			    unsigned int,
 			    unsigned int,
 			    unsigned int *);
-extern int string_to_number_l(const char *, 
-			    unsigned long int, 
+extern int string_to_number_l(const char *,
+			    unsigned long int,
 			    unsigned long int,
 			    unsigned long *);
-extern int string_to_number_ll(const char *, 
-			    unsigned long long int, 
+extern int string_to_number_ll(const char *,
+			    unsigned long long int,
 			    unsigned long long int,
 			    unsigned long long *);
 extern int iptables_insmod(const char *modname, const char *modprobe);
diff --git a/include/libnetlink.h b/include/libnetlink.h
index 9de3a0b..49e248e 100644
--- a/include/libnetlink.h
+++ b/include/libnetlink.h
@@ -23,7 +23,7 @@
 extern int rtnl_wilddump_request(struct rtnl_handle *rth, int fam, int type);
 extern int rtnl_dump_request(struct rtnl_handle *rth, int type, void *req, int len);
 
-typedef int (*rtnl_filter_t)(const struct sockaddr_nl *, 
+typedef int (*rtnl_filter_t)(const struct sockaddr_nl *,
 			     struct nlmsghdr *n, void *);
 extern int rtnl_dump_filter(struct rtnl_handle *rth, rtnl_filter_t filter,
 			    void *arg1,
@@ -48,7 +48,7 @@
 #define parse_rtattr_nested(tb, max, rta) \
 	(parse_rtattr((tb), (max), RTA_DATA(rta), RTA_PAYLOAD(rta)))
 
-extern int rtnl_listen(struct rtnl_handle *, rtnl_filter_t handler, 
+extern int rtnl_listen(struct rtnl_handle *, rtnl_filter_t handler,
 		       void *jarg);
 extern int rtnl_from_file(FILE *, rtnl_filter_t handler,
 		       void *jarg);
diff --git a/include/ll_map.h b/include/ll_map.h
index d085813..c4d5c6d 100644
--- a/include/ll_map.h
+++ b/include/ll_map.h
@@ -1,7 +1,7 @@
 #ifndef __LL_MAP_H__
 #define __LL_MAP_H__ 1
 
-extern int ll_remember_index(const struct sockaddr_nl *who, 
+extern int ll_remember_index(const struct sockaddr_nl *who,
 			     struct nlmsghdr *n, void *arg);
 extern int ll_init_map(struct rtnl_handle *rth);
 extern unsigned ll_name_to_index(const char *name);
diff --git a/include/utils.h b/include/utils.h
index 0f1d1f6..a4133c9 100644
--- a/include/utils.h
+++ b/include/utils.h
@@ -55,7 +55,7 @@
 #define AF_DECnet 12
 #endif
 
-struct dn_naddr 
+struct dn_naddr
 {
         unsigned short          a_len;
         unsigned char a_addr[DN_MAXADDL];
@@ -89,9 +89,9 @@
 extern char* hexstring_n2a(const __u8 *str, int len, char *buf, int blen);
 extern __u8* hexstring_a2n(const char *str, __u8 *buf, int blen);
 
-extern const char *format_host(int af, int len, const void *addr, 
+extern const char *format_host(int af, int len, const void *addr,
 			       char *buf, int buflen);
-extern const char *rt_addr_n2a(int af, int len, const void *addr, 
+extern const char *rt_addr_n2a(int af, int len, const void *addr,
 			       char *buf, int buflen);
 
 void missarg(const char *) __attribute__((noreturn));