tool: gccx use long version of the redirection

MacOS does not like the short one.

Signed-off-by: Jean-Sebastien Gelinas <calestar@gmail.com>
Signed-off-by: Jean Privat <jean@pryen.org>

diff --git a/bin/gccx b/bin/gccx
index 6bcd9cf..ef8af1f 100755 (executable)
--- a/bin/gccx
+++ b/bin/gccx
@@ -67,7 +67,7 @@ return $res
 }
 
 cache=true
-if ccache -V 2>&1 >/dev/null; then
+if ccache -V 2>/dev/null >/dev/null; then
        cache=ccache
 fi