build: coding style

CMakeLists.txt

@@ -307,6 +307,7 @@ option(ENTT_BUILD_TESTING "Enable building tests." OFF)
 
 if(ENTT_BUILD_TESTING)
     option(ENTT_FIND_GTEST_PACKAGE "Enable finding gtest package." OFF)
+
     option(ENTT_BUILD_BENCHMARK "Build benchmark." OFF)
     option(ENTT_BUILD_EXAMPLE "Build examples." OFF)
     option(ENTT_BUILD_LIB "Build lib tests." OFF)