mingw32: Add WINDRES export for SDK4.3_M1

GCC-13 has added code where windres is called on a rc file which
includes winuser.h, this requires to call windres with -I option to
point to right header directory duting gcc-candian-cross builds

Fixes
../../../../../../../work-shared/gcc-13.1.0-r0/gcc-13.1.0/gcc/config/i386/utf8-mingw32.rc:1:10: fatal error: winuser.h: No such file or directory
|     1 | #include <winuser.h>
|       |          ^~~~~~~~~~~

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Joshua Watt <JPEWhacker@gmail.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/conf/machine-sdk/include/mingw32-common.inc b/conf/machine-sdk/include/mingw32-common.inc
index af6bfc4..9ec6e07 100644
--- a/conf/machine-sdk/include/mingw32-common.inc
+++ b/conf/machine-sdk/include/mingw32-common.inc
@@ -38,6 +38,9 @@ TESTSDKEXT_CLASS_NAME = ""
 WINDMC:mingw32 = "${HOST_PREFIX}windmc"
 WINDRES:mingw32 = "${HOST_PREFIX}windres --include-dir=${STAGING_INCDIR}"
 RC:mingw32 = "${WINDRES}"
+WINDMC:sdkmingw32 = "${HOST_PREFIX}windmc"
+WINDRES:sdkmingw32 = "${HOST_PREFIX}windres --include-dir=${STAGING_INCDIR}"
+RC:sdkmingw32 = "${WINDRES}"
 
 export WINDMC
 export WINDRES