Fix for compiler warning (due to setjmp/longjmp being used for
exception handling).

diff --git a/relay32/snoop.c b/relay32/snoop.c
index bc3f7be..58a89e4 100644
--- a/relay32/snoop.c
+++ b/relay32/snoop.c
@@ -209,7 +209,7 @@
 SNOOP_PrintArg(DWORD x) {
 	static char	buf[200];
 	int		i,nostring;
-	char * ret=0;
+	char * volatile ret=0;
 	MEMORY_BASIC_INFORMATION	mbi;
 
 	if (	!HIWORD(x)					||