Fixed build break

Author: rajansingh10

src/System.Net.Http/src/System.Net.Http.csproj

@@ -109,9 +109,6 @@
     <Compile Include="$(CommonPath)\System\Net\Logging.cs">
       <Link>Common\System\Net\Logging.cs</Link>
     </Compile>
-    <Compile Include="$(CommonPath)\System\Net\Http\HttpHandlerDefaults.cs">
-      <Link>Common\System\Net\Http\HttpHandlerDefaults.cs</Link>
-    </Compile>
   </ItemGroup>
 
   <ItemGroup Condition=" '$(TargetsWindows)' == 'true' ">
@@ -157,7 +154,10 @@
     </Compile>
     <Compile Include="$(CommonPath)\System\NotImplemented.cs">
       <Link>Common\System\NotImplemented.cs</Link>
-    </Compile>    
+    </Compile>
+    <Compile Include="$(CommonPath)\System\Net\Http\HttpHandlerDefaults.cs">
+      <Link>Common\System\Net\Http\HttpHandlerDefaults.cs</Link>
+    </Compile>
   </ItemGroup>
 
   <ItemGroup>