CMakeLists - Fix CXX Std (#145)

[ROCm/rocjpeg commit: 40ac43a457]

projects/rocjpeg/test/rocjpeg_negative_api_tests/CMakeLists.txt

@@ -34,7 +34,7 @@ endif()
 set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED On)
 set(CMAKE_CXX_EXTENSIONS ON)
-if (NOT DEFINED CMAKE_CXX_COMPILER)
+if(NOT DEFINED CMAKE_CXX_COMPILER)
   set(CMAKE_C_COMPILER ${ROCM_PATH}/bin/amdclang)
   set(CMAKE_CXX_COMPILER ${ROCM_PATH}/bin/amdclang++)
 endif()