Rename the wrapper script, for consistency

install-wrappers.sh

@@ -11,10 +11,10 @@ PREFIX="$1"
 : ${ARCHS:=${TOOLCHAIN_ARCHS-i686 x86_64 armv7 aarch64}}
 
 mkdir -p $PREFIX/bin
-cp wrappers/clang-target-wrapper $PREFIX/bin
+cp wrappers/clang-target-wrapper.sh $PREFIX/bin
 cd $PREFIX/bin
 for arch in $ARCHS; do
     for exec in clang clang++; do
-        ln -sf clang-target-wrapper $arch-w64-mingw32-$exec
+        ln -sf clang-target-wrapper.sh $arch-w64-mingw32-$exec
     done
 done