[NETFILTER]: Use const in struct xt_match, xt_target, xt_table

Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/netfilter/x_tables.h b/include/linux/netfilter/x_tables.h
index b99ede5..90dc6ea 100644
--- a/include/linux/netfilter/x_tables.h
+++ b/include/linux/netfilter/x_tables.h
@@ -214,7 +214,7 @@
 	/* Free to use by each match */
 	unsigned long data;
 
-	char *table;
+	const char *table;
 	unsigned int matchsize;
 	unsigned int compatsize;
 	unsigned int hooks;
@@ -261,7 +261,7 @@
 	/* Set this to THIS_MODULE if you are a module, otherwise NULL */
 	struct module *me;
 
-	char *table;
+	const char *table;
 	unsigned int targetsize;
 	unsigned int compatsize;
 	unsigned int hooks;
@@ -277,7 +277,7 @@
 	struct list_head list;
 
 	/* A unique name... */
-	char name[XT_TABLE_MAXNAMELEN];
+	const char name[XT_TABLE_MAXNAMELEN];
 
 	/* What hooks you will enter on */
 	unsigned int valid_hooks;