Import the correct rasterizer based on build settings

platform/iphone/os_iphone.cpp

@@ -32,7 +32,14 @@
 
 #include "os_iphone.h"
 
+#if defined(OPENGL_ENABLED)
 #include "drivers/gles2/rasterizer_gles2.h"
+#endif
+
+#if defined(VULKAN_ENABLED)
+#include "servers/visual/rasterizer_rd/rasterizer_rd.h"
+#endif
+
 #include "servers/visual/visual_server_raster.h"
 #include "servers/visual/visual_server_wrap_mt.h"