Add the host architecture Windows 10 SDK bin directory to the PATH, n…

…ot the target.

Fixes failures during cross-compilation when the host cannot execute the target architecture
Windows 10 SDK tools.

src/windows_registry.rs

@@ -424,8 +424,15 @@ mod impl_ {
  let sub = lib_subdir(target)?;
  let (ucrt, ucrt_version) = get_ucrt_dir()?;
 
+ let host = match host_arch() {
+ X86 => "x86",
+ X86_64 => "x64",
+ AARCH64 => "arm64",
+ _ => return None,
+ };
+
  tool.path
- .push(ucrt.join("bin").join(&ucrt_version).join(sub));
+ .push(ucrt.join("bin").join(&ucrt_version).join(host));
 
  let ucrt_include = ucrt.join("include").join(&ucrt_version);
  tool.include.push(ucrt_include.join("ucrt"));
@@ -434,7 +441,7 @@ mod impl_ {
  tool.libs.push(ucrt_lib.join("ucrt").join(sub));
 
  if let Some((sdk, version)) = get_sdk10_dir() {
- tool.path.push(sdk.join("bin").join(sub));
+ tool.path.push(sdk.join("bin").join(host));
  let sdk_lib = sdk.join("lib").join(&version);
  tool.libs.push(sdk_lib.join("um").join(sub));
  let sdk_include = sdk.join("include").join(&version);
@@ -443,7 +450,7 @@ mod impl_ {
  tool.include.push(sdk_include.join("winrt"));
  tool.include.push(sdk_include.join("shared"));
  } else if let Some(sdk) = get_sdk81_dir() {
- tool.path.push(sdk.join("bin").join(sub));
+ tool.path.push(sdk.join("bin").join(host));
  let sdk_lib = sdk.join("lib").join("winv6.3");
  tool.libs.push(sdk_lib.join("um").join(sub));
  let sdk_include = sdk.join("include");