exch: use NULL rather than zero

Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/misc-utils/exch.c b/misc-utils/exch.c
index 1ea0a850a4348a7e2177508416adb50ba54b5b63..93a9f770313883b0fee6858e69ec064245489ccb 100644 (file)
--- a/misc-utils/exch.c
+++ b/misc-utils/exch.c
@@ -59,7 +59,7 @@ int main(int argc, char **argv)
        static const struct option longopts[] = {
                { "version",    no_argument, NULL, 'V' },
                { "help",       no_argument, NULL, 'h' },
-               { 0 }
+               { NULL }
        };
 
        setlocale(LC_ALL, "");