ENH: More support for gcov 4.0

Source/CTest/cmCTestCoverageHandler.cxx

@@ -196,7 +196,7 @@ int cmCTestCoverageHandler::ProcessHandler()
  
  
   // Style 2
-  std::string st2gcovOutputRex1 = "^File *`(.*)'$";
+  std::string st2gcovOutputRex1 = "^File *[`'](.*)'$";
   std::string st2gcovOutputRex2 = "Lines executed: *[0-9]+\\.[0-9]+% of [0-9]+$";
   std::string st2gcovOutputRex3 = "^(.*):creating `(.*\\.gcov)'";
   std::string st2gcovOutputRex4 = "^(.*):unexpected EOF *$";