clink.pl: ignore no-stack-protector arg on MSVC=1 builds

Ignore the `-fno-stack-protector` compiler argument when building
with MSVC.  This will be used in a later commit that needs to build
a Win32 GUI app.

Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com>

compat/vcbuild/scripts/clink.pl

@@ -122,6 +122,8 @@
 		push(@cflags, "-wd4996");
 	} elsif ("$arg" =~ /^-W[a-z]/) {
 		# let's ignore those
+	} elsif ("$arg" eq "-fno-stack-protector") {
+		# eat this
 	} else {
 		push(@args, $arg);
 	}