Update src/SourceBuild/tarball/content/Directory.Build.props

Co-authored-by: Chris Rummel <crummel@microsoft.com>

Author: ayakael

src/SourceBuild/tarball/content/Directory.Build.props

@@ -17,7 +17,7 @@
   <PropertyGroup>
     <Platform Condition="'$(Platform)' == 'AnyCPU'"></Platform>
     <BuildArchitecture>$([System.Runtime.InteropServices.RuntimeInformation]::ProcessArchitecture.ToString().ToLowerInvariant())</BuildArchitecture>
-    <Platform Condition="'$(Platform)' == '' AND ( '$(BuildArchitecture)' == 'arm64' OR '$(BuildArchitecture)' == 'arm') ">$(BuildArchitecture)</Platform>
+    <Platform Condition="'$(Platform)' == '' AND ('$(BuildArchitecture)' == 'arm64' OR '$(BuildArchitecture)' == 'arm')">$(BuildArchitecture)</Platform>
     <Platform Condition="'$(Platform)' == '' AND '$(BuildArchitecture)' == 's390x'">$(BuildArchitecture)</Platform>
     <Platform Condition="'$(Platform)' == ''">x64</Platform>