Removed "unused variable" warning from build

Author: dahall

Directory.Build.props

@@ -18,7 +18,7 @@
     <NeutralLanguage>en-US</NeutralLanguage>
     <Nullable>enable</Nullable>
     <SignAssembly>true</SignAssembly>
-    <NoWarn>$(NoWarn);NETSDK1138;SYSLIB0003;SYSLIB0004;SYSLIB0011;IL2026;IL2050;IL2075;IL2067;IL2070;IL2072;IL2077;IL2080;IL2087;IL2090;CS0618;CA1041;CA1069;CA1401;CA1510;CA2101;SYSLIB1054;SYSLIB1096;</NoWarn>
+    <NoWarn>$(NoWarn);NETSDK1138;SYSLIB0003;SYSLIB0004;SYSLIB0011;IL2026;IL2050;IL2075;IL2067;IL2070;IL2072;IL2077;IL2080;IL2087;IL2090;CS0618;CS0649;CA1041;CA1069;CA1401;CA1510;CA2101;SYSLIB1054;SYSLIB1096;</NoWarn>
     <AccelerateBuildsInVisualStudio>true</AccelerateBuildsInVisualStudio>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'">