utils: clean up static library elision

When building just the dynamic variants of the SDK, we would fail due to
the subdirectory not existing. This allows us to proceed silently in the
case.

Author: compnerd

utils/build.ps1

@@ -4320,12 +4320,12 @@ if (-not $SkipBuild) {
           foreach ($Build in $WindowsSDKBuilds) {
             Invoke-BuildStep Build-ExperimentalSDK $Build
 
-            Get-ChildItem "${SDKROOT}\usr\lib\swift\windows" -Filter "*.lib" -File -ErrorAction Ignore | ForEach-Object {
+            Get-ChildItem -ErrorAction Ignore "${SDKROOT}\usr\lib\swift\windows" -Filter "*.lib" -File | ForEach-Object {
               Write-Host -BackgroundColor DarkRed -ForegroundColor White "$($_.FullName) is not nested in an architecture directory"
               Move-Item $_.FullName "${SDKROOT}\usr\lib\swift\windows\$($Build.Architecture.LLVMName)\" | Out-Null
             }
 
-            Get-ChildItem "${SDKROOT}\usr\lib\swift_static\windows" -Filter "*.lib" -File -ErrorAction Ignore | ForEach-Object {
+            Get-ChildItem -ErrorAction Ignore "${SDKROOT}\usr\lib\swift_static\windows" -Filter "*.lib" -File | ForEach-Object {
               Write-Host -BackgroundColor DarkRed -ForegroundColor White "$($_.FullName) is not nested in an architecture directory"
               Move-Item $_.FullName "${SDKROOT}\usr\lib\swift_static\windows\$($Build.Architecture.LLVMName)\" | Out-Null
             }
@@ -4402,7 +4402,7 @@ if (-not $SkipBuild) {
               Move-Item $_.FullName "${SDKROOT}\usr\lib\swift\android\$($Build.Architecture.LLVMName)\" | Out-Null
             }
 
-            Get-ChildItem "${SDKROOT}\usr\lib\swift_static\android" -File | Where-Object { $_.Name -match ".a$|.so$" } | ForEach-Object {
+            Get-ChildItem -ErrorAction Ignore "${SDKROOT}\usr\lib\swift_static\android" -File | Where-Object { $_.Name -match ".a$|.so$" } | ForEach-Object {
               Write-Host -BackgroundColor DarkRed -ForegroundColor White "$($_.FullName) is not nested in an architecture directory"
               Move-Item $_.FullName "${SDKROOT}\usr\lib\swift_static\android\$($Build.Architecture.LLVMName)\" | Out-Null
             }