Fixed llvm 15 crash when trying to parse C header as C++ header in a C project

src/compile_commands.cpp

@@ -232,7 +232,7 @@ std::vector<std::string> CompileCommands::get_arguments(const boost::filesystem:
     arguments.emplace_back("-finclude-default-header");
     arguments.emplace_back("-Wno-gcc-compat");
   }
-  else if(is_header)
+  else if(is_header && extension != ".h") // libclang crashes if it tries to parse .h files as C++ file in a C project
     arguments.emplace_back("-xc++");
 
   if(!build_path.empty()) {