Merge pull request #201 from atanasovdaniel/err_on_badcall

Set error message if called object is not callable

squirrel/sqvm.cpp

@@ -1605,6 +1605,7 @@ SQInteger prevstackbase = _stackbase;
                    }
         break;
     default:
+        Raise_Error(_SC("attempt to call '%s'"), GetTypeName(closure));
         return false;
     }
 #ifdef _DEBUG