[PATCH 3/3] Basetools: turn off gcc12 warning

["Gerd Hoffmann" <kraxel@redhat.com>]

In function ‘SetDevicePathEndNode’,
    inlined from ‘FileDevicePath’ at DevicePathUtilities.c:857:5:
DevicePathUtilities.c:321:3: error: writing 4 bytes into a region of size 1 [-Werror=stringop-overflow=]
  321 |   memcpy (Node, &mUefiDevicePathLibEndDevicePath, sizeof (mUefiDevicePathLibEndDevicePath));
      |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from UefiDevicePathLib.h:22,
                 from DevicePathUtilities.c:16:
../Include/Protocol/DevicePath.h: In function ‘FileDevicePath’:
../Include/Protocol/DevicePath.h:51:9: note: destination object ‘Type’ of size 1
   51 |   UINT8 Type;       ///< 0x01 Hardware Device Path.
      |         ^~~~

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
 BaseTools/Source/C/DevicePath/GNUmakefile | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/BaseTools/Source/C/DevicePath/GNUmakefile b/BaseTools/Source/C/DevicePath/GNUmakefile
index 7ca08af9662d..b05d2bddfa68 100644
--- a/BaseTools/Source/C/DevicePath/GNUmakefile
+++ b/BaseTools/Source/C/DevicePath/GNUmakefile
@@ -13,6 +13,9 @@ OBJECTS = DevicePath.o UefiDevicePathLib.o DevicePathFromText.o  DevicePathUtili
 
 include $(MAKEROOT)/Makefiles/app.makefile
 
+# gcc 12 trips over device path handling
+BUILD_CFLAGS += -Wno-error=stringop-overflow
+
 LIBS = -lCommon
 ifeq ($(CYGWIN), CYGWIN)
   LIBS += -L/lib/e2fsprogs -luuid
-- 
2.35.1