Minor cleanup of CMake::get_executable

src/cmake.cpp

@@ -149,8 +149,7 @@ bool CMake::update_debug_build(const boost::filesystem::path &debug_build_path,
 boost::filesystem::path CMake::get_executable(const boost::filesystem::path &build_path, const boost::filesystem::path &file_path) {
 
   // Prefer the CMake file API (if available) which gives exact information about the targets a file belongs to
-  auto executable = get_executable_from_file_api(build_path, file_path);
-  if(executable)
+  if(auto executable = get_executable_from_file_api(build_path, file_path))
     return *executable;
 
   // CMake does not store in compile_commands.json if an object is part of an executable or not.