Fix Microsoft.NETCore.Platforms builds on Unix (#57757)

The casing of the SDK imported via the Sdk attribute was wrong which lead to:

Microsoft.NETCore.Platforms.csproj : error MSB4236: The SDK 'Microsoft.NET.SDK' specified could not be found.

Co-authored-by: Viktor Hofer <viktor.hofer@microsoft.com>

diff --git a/src/libraries/Microsoft.NETCore.Platforms/src/Microsoft.NETCore.Platforms.csproj b/src/libraries/Microsoft.NETCore.Platforms/src/Microsoft.NETCore.Platforms.csproj
index 71cf1e9..3872248 100644 (file)
--- a/src/libraries/Microsoft.NETCore.Platforms/src/Microsoft.NETCore.Platforms.csproj
+++ b/src/libraries/Microsoft.NETCore.Platforms/src/Microsoft.NETCore.Platforms.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.SDK">
+<Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <TargetFrameworks>$(NetCoreAppToolCurrent);net472</TargetFrameworks>
     <!-- This project should not build against the live built .NETCoreApp targeting pack as it contributes to the build itself. -->