Rename macros ("SKIN"-->"TOOL")



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@3062 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/memcheck/mc_main.c b/memcheck/mc_main.c
index 8d90ecc..f849875 100644
--- a/memcheck/mc_main.c
+++ b/memcheck/mc_main.c
@@ -1809,7 +1809,7 @@
    Bool  ok;
    Addr  bad_addr;
 
-   if (!VG_IS_SKIN_USERREQ('M','C',arg[0])
+   if (!VG_IS_TOOL_USERREQ('M','C',arg[0])
     && VG_USERREQ__MALLOCLIKE_BLOCK != arg[0]
     && VG_USERREQ__FREELIKE_BLOCK   != arg[0]
     && VG_USERREQ__CREATE_MEMPOOL   != arg[0]