Widen ident field to 64 byte.

git-svn-id: http://www.varnish-cache.org/svn/trunk/varnish-cache@5091 d4fa192b-c00b-0410-8231-f00ffab90ce4

include/vsm.h

@@ -52,7 +52,7 @@ struct vsm_chunk {
 	unsigned		state;
 	char			class[8];
 	char			type[8];
-	char			ident[16];
+	char			ident[64];
 };
 
 #define VSM_NEXT(sha)		((void*)((uintptr_t)(sha) + (sha)->len))