Consistency fixes where the extension string is used in string operations

Co-authored-by: Copilot <[email protected]>

Author: mcserep

plugins/cpp/parser/src/cppparser.cpp

@@ -232,7 +232,7 @@ model::BuildActionPtr CppParser::addBuildAction(
 
   model::BuildActionPtr buildAction(new model::BuildAction);
 
-  auto extension = fs::path(command_.Filename).extension();
+  auto extension = fs::path(command_.Filename).extension().string();
 
   buildAction->command = boost::algorithm::join(command_.CommandLine, " ");
   buildAction->type

plugins/dummy/parser/src/dummyparser.cpp

@@ -17,7 +17,7 @@ DummyParser::DummyParser(ParserContext& ctx_): AbstractParser(ctx_)
 
 bool DummyParser::accept(const std::string& path_)
 {
-  auto ext = boost::filesystem::path(path_).extension();
+  auto ext = boost::filesystem::path(path_).extension().string();
   return ext == ".dummy";
 }