Make windres output in res format instead of in coff

This makes the output architecture independent, allowing
the x86_64 GNU binutils binary to be used for other
architectures as well, including arm/arm64 which aren't supported
by binutils.

install-wrappers.sh

@@ -11,7 +11,7 @@ PREFIX="$1"
 : ${ARCHS:=${TOOLCHAIN_ARCHS-i686 x86_64 armv7 aarch64}}
 
 mkdir -p $PREFIX/bin
-cp wrappers/clang-target-wrapper.sh wrappers/objdump-wrapper.sh wrappers/ld-wrapper.sh $PREFIX/bin
+cp wrappers/clang-target-wrapper.sh wrappers/objdump-wrapper.sh wrappers/ld-wrapper.sh wrappers/windres-wrapper.sh $PREFIX/bin
 cd $PREFIX/bin
 for arch in $ARCHS; do
     for exec in clang clang++ gcc g++; do
@@ -23,7 +23,7 @@ for arch in $ARCHS; do
     for exec in strip; do
         ln -sf /bin/true $arch-w64-mingw32-$exec
     done
-    for exec in ld objdump; do
+    for exec in ld objdump windres; do
         ln -sf $exec-wrapper.sh $arch-w64-mingw32-$exec
     done
 done