constify

git-svn-id: http://www.varnish-cache.org/svn/trunk/varnish-cache@4834 d4fa192b-c00b-0410-8231-f00ffab90ce4

bin/varnishd/hash_classic.c

@@ -179,7 +179,7 @@ hcl_deref(struct objhead *oh)
 
 /*--------------------------------------------------------------------*/
 
-struct hash_slinger hcl_slinger = {
+const struct hash_slinger hcl_slinger = {
 	.magic	=	SLINGER_MAGIC,
 	.name	=	"classic",
 	.init	=	hcl_init,

bin/varnishd/hash_critbit.c

@@ -477,7 +477,7 @@ hcb_lookup(const struct sess *sp, struct objhead *noh)
 }
 
 
-struct hash_slinger hcb_slinger = {
+const struct hash_slinger hcb_slinger = {
 	.magic  =       SLINGER_MAGIC,
 	.name   =       "critbit",
 	.start  =       hcb_start,

bin/varnishd/hash_simple_list.c

@@ -116,7 +116,7 @@ hsl_deref(struct objhead *oh)
 
 /*--------------------------------------------------------------------*/
 
-struct hash_slinger hsl_slinger = {
+const struct hash_slinger hsl_slinger = {
 	.magic	=	SLINGER_MAGIC,
 	.name	=	"simple",
 	.start	=	hsl_start,

bin/varnishd/hash_slinger.h

@@ -103,6 +103,6 @@ void HSH_DeleteObjHead(struct worker *w, struct objhead *oh);
 void HSH_Deref(struct worker *w, struct object **o);
 #endif /* VARNISH_CACHE_CHILD */
 
-extern struct hash_slinger hsl_slinger;
-extern struct hash_slinger hcl_slinger;
-extern struct hash_slinger hcb_slinger;
+extern const struct hash_slinger hsl_slinger;
+extern const struct hash_slinger hcl_slinger;
+extern const struct hash_slinger hcb_slinger;