Update ex-lepl1503.c

ex-lepl1503.c

@@ -22,7 +22,7 @@ int main() {
     CU_pSuite suite = CU_add_suite("maxi_test", 0, 0);
 
     CU_add_test(suite, "maxi_fun", test_maxi);
-    CU_add_test(suite, "maxi_fail",testmaxifailed);
+    CU_add_test(suite, "maxi_fail",test_maxifailed);
     CU_basic_set_mode(CU_BRM_VERBOSE);
     CU_basic_run_tests();
     CU_automated_run_tests();