Build: add WITH_CYCLES define for creator

Recently added cycles options weren't included in the help message.

Also quiet extra token warning.

source/creator/CMakeLists.txt

@@ -49,6 +49,7 @@ if(WITH_LIBMV)
 endif()
 
 if(WITH_CYCLES)
+  add_definitions(-DWITH_CYCLES)
   if(WITH_CYCLES_LOGGING)
     list(APPEND INC ../../intern/cycles/blender)
     add_definitions(-DWITH_CYCLES_LOGGING)

source/creator/creator_args.c

@@ -643,13 +643,14 @@ static int arg_handle_print_help(int UNUSED(argc), const char **UNUSED(argv), vo
   printf("Cycles Render Options:\n");
   printf("\tCycles add-on options must be specified following a double dash.\n\n");
   printf("``--cycles-device OPTIX``\n");
-  printf("\tSet the device used for rendering. Options: CPU, CUDA, OPTIX, HIP, ONEAPI, METAL.\n\n");
+  printf(
+      "\tSet the device used for rendering. Options: CPU, CUDA, OPTIX, HIP, ONEAPI, METAL.\n\n");
   printf("\tAppend +CPU to a GPU device to render on both CPU and GPU.\n\n");
   printf("\tExample:\n");
   printf("\t# blender -b file.blend -f 20 -- --cycles-device OPTIX\n");
   printf("``--cycles-print-stats``\n");
   printf("\tLog statistics about render memory and time usage.\n");
-#  endif WITH_CYCLES
+#  endif /*WITH_CYCLES*/
 
   // printf("\n");
   // printf("Experimental Features:\n");