fix lang version: linux doesn't like 7.3

2019-09-18 11:18:45 -07:00 · 2019-09-18 11:18:45 -07:00 · 3208b73a58
--- a/Common.props
+++ b/Common.props
@ -12,7 +12,7 @@
  </PropertyGroup>

  <PropertyGroup>
-    <LangVersion>7.3</LangVersion>
+    <LangVersion>7.1</LangVersion>
  </PropertyGroup>
 
  <PropertyGroup Condition="'$(Configuration)' == 'Debug'">