Remove trailing whitespace

tools/nuget/build.docker.ps1

@@ -18,39 +18,39 @@ $Image = $null
 $Shell = $null
 
 switch ($RID) {
-    'alpine-x64' { 
-        $Image = 'alpine:3.7' 
+    'alpine-x64' {
+        $Image = 'alpine:3.7'
         $Shell = '/bin/sh'
     }
-    'debian-x64' { 
-        $Image = 'debian:bullseye' 
+    'debian-x64' {
+        $Image = 'debian:bullseye'
         $Shell = '/bin/bash'
     }
-    'ubuntu-x64' { 
-        $Image = 'ubuntu:22.04' 
+    'ubuntu-x64' {
+        $Image = 'ubuntu:22.04'
         $Shell = '/bin/bash'
     }
-    'fedora-x64' { 
-        $Image = 'fedora:37' 
+    'fedora-x64' {
+        $Image = 'fedora:37'
         $Shell = '/bin/bash'
     }
-    'linux-x64' { 
-        $Image = 'ubuntu:22.04' 
+    'linux-x64' {
+        $Image = 'ubuntu:22.04'
         $Shell = '/bin/bash'
     }
-    'linux-musl-x64' { 
-        $Image = 'alpine:3.15' 
+    'linux-musl-x64' {
+        $Image = 'alpine:3.15'
         $Shell = '/bin/sh'
     }
-    'linux-arm' { 
-        $Image = 'arm32v7/ubuntu:22.04' 
+    'linux-arm' {
+        $Image = 'arm32v7/ubuntu:22.04'
         $Shell = '/bin/bash'
     }
-    'linux-arm64' { 
-        $Image = 'arm64v8/ubuntu:22.04' 
+    'linux-arm64' {
+        $Image = 'arm64v8/ubuntu:22.04'
         $Shell = '/bin/bash'
     }
-    Default { 
+    Default {
         Write-Error "Unknown Runtime Identifier $RID"
         exit
     }
@@ -61,4 +61,4 @@ Write-Host "Building $RID with image $Image using $Shell"
 $RepoRoot = (Get-Item (git rev-parse --show-toplevel)).FullName
 
 docker run --rm --mount "type=bind,source=$RepoRoot,destination=/csfml/" $Image $Shell -c "cd /csfml/tools/nuget/; ./docker.$RID.sh"
-exit $LastExitCode
+exit $LastExitCode