Add missing comma

bording · web-flow · commit 51cd81ae9f4a · 2021-09-15T19:42:32.000-04:00
diff --git a/build.libgit2.ps1 b/build.libgit2.ps1
@@ -17,7 +17,7 @@ Param(
     [switch]$test,
     [switch]$debug,
     [switch]$x86,
-    [switch]$x64
+    [switch]$x64,
     [switch]$arm64
 )
 
