fl_wrapper: fix fl_wrapper_test to pass required arg0

Signed-off-by: Alejandro Mery <amery@geeks.cl>

src/tools-source/fl_wrapper/fl_wrapper_test.c

@@ -20,14 +20,15 @@
 int main(int argc, char ** argv, char ** env) {
 
 	/* Test various exec calls() */
-	execl( "./fltest_execl",  NULL);
-	execlp("./fltest_execlp", NULL);
-	execle("./fltest_execle", NULL, env);
+	execl( "./fltest_execl",  "./fltest_execl", NULL);
+	execlp("./fltest_execlp", "./fltest_execlp", NULL);
+	execle("./fltest_execle", "./fltest_execle", NULL, env);
 	execv( "./fltest_execv",  argv);
 	execvp("./fltest_execvp", argv);
 	execve("./fltest_execve", argv, env);
 
 	/* Test PATH evaluation */
 	execlp("ls", "ls", NULL);
-}
 
+	(void)argc;
+}