test: fix a format-security error

test-dispatcher-envp.c: In function 'test_generic':
test-dispatcher-envp.c:507:3: error: format not a string literal and no format arguments [-Werror=format-security]

diff --git a/callouts/tests/test-dispatcher-envp.c b/callouts/tests/test-dispatcher-envp.c
index 420f507..27f088f 100644 (file)
--- a/callouts/tests/test-dispatcher-envp.c
+++ b/callouts/tests/test-dispatcher-envp.c
@@ -504,7 +504,7 @@ test_generic (const char *file, const char *override_vpn_ip_iface)
        g_assert ((!denv && error_message) || (denv && !error_message));
 
        if (error_message)
-               g_warning (error_message);
+               g_warning ("%s", error_message);
 
        /* Print out environment for now */
 #ifdef DEBUG