Try to fix vendoring arm64

Author: jeroen

src/Makevars.ucrt

@@ -8,10 +8,8 @@ all: clean rustup
 $(SHLIB): $(STATLIB)
 
 $(STATLIB):
-ifeq ($(TARGET),x86_64-pc-windows-gnu)
 	@echo Building for $(TARGET) from vendor.tar.xz sources!
 	if [ -f myrustlib/vendor.tar.xz ]; then tar xf myrustlib/vendor.tar.xz && mkdir -p .cargo && cp myrustlib/vendor-config.toml .cargo/config.toml; fi
-endif
 	PATH="$(USERPROFILE)\\.cargo\\bin:$(PATH)" cargo build --target=$(TARGET) --release --manifest-path=myrustlib/Cargo.toml
 	rm -Rf $(LIBDIR)/build
 

src/myrustlib/vendor-update.sh

@@ -1,6 +1,6 @@
 #!/bin/sh
 rm -Rf vendor vendor.tar.xz
 cargo vendor
-rm -Rf vendor/windows_*_gnullvm/lib/* vendor/windows_*_msvc/lib/* vendor/windows_i686*/lib/*
+rm -Rf vendor/windows_x86_64_gnullvm/lib/* vendor/windows_*_msvc/lib/* vendor/windows_i686*/lib/*
 XZ_OPT=-9 tar -cJ --no-xattrs -f vendor.tar.xz vendor
 rm -Rf vendor