core+async: Enable TreatWarningsAsErrors

Author: oysteinkrog

src/SQLite.Net.Async/SQLite.Net.Async.csproj

@@ -30,6 +30,7 @@
     <DefineConstants>TRACE;DEBUG;JETBRAINS_ANNOTATIONS</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
+    <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>

src/SQLite.Net/SQLite.Net.csproj

@@ -46,6 +46,7 @@
     <DefineConstants>TRACE;DEBUG;JETBRAINS_ANNOTATIONS</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
+    <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>