Import patch iproute2.110

(Logical change 1.112)
diff --git a/include/iptables_common.h b/include/iptables_common.h
index e69de29..e3b99aa 100644
--- a/include/iptables_common.h
+++ b/include/iptables_common.h
@@ -0,0 +1,37 @@
+#ifndef _IPTABLES_COMMON_H
+#define _IPTABLES_COMMON_H
+/* Shared definitions between ipv4 and ipv6. */
+
+enum exittype {
+	OTHER_PROBLEM = 1,
+	PARAMETER_PROBLEM,
+	VERSION_PROBLEM
+};
+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, 
+			    unsigned int,
+			    unsigned 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, 
+			    unsigned long long int,
+			    unsigned long long *);
+extern int iptables_insmod(const char *modname, const char *modprobe);
+void exit_error(enum exittype, char *, ...)__attribute__((noreturn,
+							  format(printf,2,3)));
+extern const char *program_name, *program_version;
+
+#ifdef NO_SHARED_LIBS
+# ifdef _INIT
+#  define _init _INIT
+# endif
+  extern void init_extensions(void);
+#endif
+
+#endif /*_IPTABLES_COMMON_H*/