fix newline

Author: vbvictor

clang-tools-extra/test/clang-tidy/checkers/cppcoreguidelines/special-member-functions.cpp

@@ -95,4 +95,4 @@ DEFINE_CLASS_WITH_DTOR(MacroDefinedClass3)
 class CLASS_NAME {
   ~MacroNamedClass();
 };
-// CHECK-MESSAGES: [[@LINE-3]]:7: warning: class 'MacroNamedClass' defines a destructor but does not define a copy constructor, a copy assignment operator, a move constructor or a move assignment operator
+// CHECK-MESSAGES: [[@LINE-3]]:7: warning: class 'MacroNamedClass' defines a destructor but does not define a copy constructor, a copy assignment operator, a move constructor or a move assignment operator