File Makefile.patch of Package rtl8852au

--- a/Makefile	2023-08-19 19:32:21.850354999 +0200
+++ b/Makefile	2023-08-19 19:58:14.659419785 +0200
@@ -14,6 +14,7 @@
 #EXTRA_CFLAGS += -Wno-unused-function
 EXTRA_CFLAGS += -Wno-unused
 #EXTRA_CFLAGS += -Wno-uninitialized
+EXTRA_CFLAGS += -Wno-implicit-fallthrough
 
 GCC_VER_49 := $(shell echo `$(CC) -dumpversion | cut -f1-2 -d.` \>= 4.9 | bc )