C++: Update the test.c comments

Author: calumgrant

cpp/ql/test/query-tests/Likely Bugs/Underspecified Functions/test.c

@@ -30,8 +30,8 @@ void test(int *argv[]) {
 
   not_yet_declared1(1); // BAD (GOOD for everything except for cpp/implicit-function-declaration)
   not_yet_declared2(1); // BAD (GOOD for everything except for cpp/implicit-function-declaration)
-  not_yet_declared2(ca); // BAD
-  not_yet_declared2(); // BAD
+  not_yet_declared2(ca); // BAD (GOOD for everything except for cpp/mistyped-function-arguments)
+  not_yet_declared2(); // GOOD
 
   declared_empty_defined_with(); // BAD
   declared_empty_defined_with(1); // GOOD