add build symbol to .csproj's

Author: mythz

src/ServiceStack.Redis/ServiceStack.Redis.Source.csproj

@@ -13,6 +13,9 @@
     <GenerateDocumentationFile>false</GenerateDocumentationFile>
   </PropertyGroup>
   <!-- TODO: talk about TFMs; Microsoft.Bcl.AsyncInterfaces starts at net461 -->
+  <PropertyGroup Condition="'$(TargetFramework)' == 'net472'">
+    <DefineConstants>$(DefineConstants);ASYNC_MEMORY</DefineConstants>
+  </PropertyGroup>
   <PropertyGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
     <DefineConstants>$(DefineConstants);NETCORE</DefineConstants>
   </PropertyGroup>
@@ -34,7 +37,7 @@
   <ItemGroup Condition=" '$(TargetFramework)' == 'net45' ">
     <Reference Include="System.Net" />
   </ItemGroup>
-    <ItemGroup Condition=" '$(TargetFramework)' == 'net472' ">
+  <ItemGroup Condition=" '$(TargetFramework)' == 'net472' ">
     <Reference Include="System.Net" />
     <PackageReference Include="Microsoft.Bcl.AsyncInterfaces" Version="5.0.0" />
   </ItemGroup>

src/ServiceStack.Redis/ServiceStack.Redis.csproj

@@ -12,6 +12,9 @@
     <PackageTags>Redis;NoSQL;Client;Distributed;Cache;PubSub;Messaging;Transactions</PackageTags>
   </PropertyGroup>
   <!-- TODO: talk about TFMs; Microsoft.Bcl.AsyncInterfaces starts at net461 -->
+  <PropertyGroup Condition="'$(TargetFramework)' == 'net472'">
+    <DefineConstants>$(DefineConstants);ASYNC_MEMORY</DefineConstants>
+  </PropertyGroup>
   <PropertyGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
     <DefineConstants>$(DefineConstants);NETCORE</DefineConstants>
   </PropertyGroup>