SignFast: fix unsafe setting

src/Tools/SignRoslyn/SignRoslyn.csproj

@@ -13,10 +13,9 @@
     <FileAlignment>512</FileAlignment>
     <OutDir>$(OutDir)\$(AssemblyName)</OutDir>
     <TargetFrameworkProfile />
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
   </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' " />
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' " />
   <ItemGroup>
     <Reference Include="System" />
@@ -66,4 +65,4 @@
   <Target Name="AfterBuild">
   </Target>
   -->
-</Project>
\ No newline at end of file
+</Project>