color_helpers: fix compiler error

Author: sharkautarch

layer/VkLayer_FROG_gamescope_wsi.cpp

@@ -5,7 +5,7 @@
 #include "xcb_helpers.hpp"
 #include "vulkan_operators.hpp"
 #include "gamescope-swapchain-client-protocol.h"
-#include "../src/color_helpers.h"
+#include "../src/color_helpers_impl.h"
 #include "../src/layer_defines.h"
 
 #include <charconv>