Move statement after declarations in add example.

examples/add.c

@@ -31,11 +31,10 @@ void init_array(git_strarray *array, int argc, char **argv)
 
 int print_matched_cb(const char *path, const char *matched_pathspec, void *payload)
 {
-	(void)matched_pathspec;
-
 	struct print_payload p = *(struct print_payload*)(payload);
 	int ret;
 	git_status_t status;
+	(void)matched_pathspec;
 
 	if (git_status_file(&status, p.repo, path)) {
 		return -1; //abort