Fix #13233 False positive unusedLabel when using __finally on Windows (danmar#6927)

Author: chrchr-github

lib/checkother.cpp

@@ -3415,7 +3415,7 @@ void CheckOther::checkUnusedLabel()
 
             if (Token::Match(tok, "{|}|; %name% :") && !tok->tokAt(1)->isKeyword()) {
                 const std::string tmp("goto " + tok->strAt(1));
-                if (!Token::findsimplematch(scope->bodyStart->next(), tmp.c_str(), tmp.size(), scope->bodyEnd->previous()))
+                if (!Token::findsimplematch(scope->bodyStart->next(), tmp.c_str(), tmp.size(), scope->bodyEnd->previous()) && !tok->next()->isExpandedMacro())
                     unusedLabelError(tok->next(), tok->next()->scope()->type == Scope::eSwitch, hasIfdef);
             }
         }

test/cfg/windows.cpp

@@ -1207,3 +1207,10 @@ void SEH_knownConditionTrueFalse() { // #8434
     }
     if (r == 0) {}
 }
+
+void SEH_unusedLabel() { // #13233
+    __try {
+    }
+    __finally {
+    }
+}