bin/ln & WARNS=5

The following allows me to build bin/ln with WARNS=5 on i386.
Does it look OK, or have I missed something important?

%%%
Index: ln.c
===================================================================
RCS file: /home/ncvs/src/bin/ln/ln.c,v
retrieving revision 1.28
diff -u -r1.28 ln.c
--- ln.c	30 Jun 2002 05:13:54 -0000	1.28
+++ ln.c	14 Jul 2002 22:42:49 -0000
@@ -189,7 +189,7 @@
 			p = target;
 		else
 			++p;
-		if (snprintf(path, sizeof(path), "%s/%s", source, p) >=
+		if ((size_t)snprintf(path, sizeof(path), "%s/%s", source, p) >=
 		    sizeof(path)) {
 			errno = ENAMETOOLONG;
 			warn("%s", target);
%%%

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