Rename CLCallback to OpenCLPrintfCallback.

mace/core/runtime/opencl/opencl_runtime.cc

@@ -155,7 +155,7 @@ const std::string OpenCLErrorToString(cl_int error) {
 }
 
 namespace {
-void CLCallback(const char *buffer,
+void OpenCLPrintfCallback(const char *buffer,
                           size_t length,
                           size_t final,
                           void *user_data) {
@@ -311,7 +311,7 @@ OpenCLRuntime::OpenCLRuntime(GPUPerfHint gpu_perf_hint,
     if (is_profiling_enabled_ && gpu_type_ == GPUType::MALI) {
       std::vector<cl_context_properties> context_properties = {
           CL_CONTEXT_PLATFORM, (cl_context_properties)default_platform(),
-          CL_PRINTF_CALLBACK_ARM, (cl_context_properties)CLCallback,
+          CL_PRINTF_CALLBACK_ARM, (cl_context_properties)OpenCLPrintfCallback,
           CL_PRINTF_BUFFERSIZE_ARM, 0x1000, 0
       };
       context_ = std::shared_ptr<cl::Context>(