Use unsigned where appropriate.

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@22873 ec53bebd-3082-4978-b11e-865c3cabbd6b

lib/roken/resolve.c

@@ -128,7 +128,8 @@ parse_record(const unsigned char *data, const unsigned char *end_data,
 	     const unsigned char **pp, struct resource_record **ret_rr)
 {
     struct resource_record *rr;
-    int type, class, ttl, size;
+    int type, class, ttl;
+    unsigned size;
     int status;
     char host[MAXDNAME];
     const unsigned char *p = *pp;