Adds -SSH postfix to all .props file using

Author: leobuskin

LibGit2Sharp/LibGit2Sharp.csproj

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <Import Project="..\packages\LibGit2Sharp-SSH.NativeBinaries.1.0.14\build\LibGit2Sharp.NativeBinaries.props" Condition="Exists('..\packages\LibGit2Sharp-SSH.NativeBinaries.1.0.14\build\LibGit2Sharp.NativeBinaries.props')" />
+  <Import Project="..\packages\LibGit2Sharp-SSH.NativeBinaries.1.0.14\build\LibGit2Sharp-SSH.NativeBinaries.props" Condition="Exists('..\packages\LibGit2Sharp-SSH.NativeBinaries.1.0.14\build\LibGit2Sharp-SSH.NativeBinaries.props')" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
     <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
@@ -388,7 +388,7 @@
     <PropertyGroup>
       <ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
     </PropertyGroup>
-    <Error Condition="!Exists('..\packages\LibGit2Sharp-SSH.NativeBinaries.1.0.14\build\LibGit2Sharp.NativeBinaries.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\LibGit2Sharp-SSH.NativeBinaries.1.0.14\build\LibGit2Sharp.NativeBinaries.props'))" />
+    <Error Condition="!Exists('..\packages\LibGit2Sharp-SSH.NativeBinaries.1.0.14\build\LibGit2Sharp-SSH.NativeBinaries.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\LibGit2Sharp-SSH.NativeBinaries.1.0.14\build\LibGit2Sharp-SSH.NativeBinaries.props'))" />
   </Target>
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it.
        Other similar extension points exist, see Microsoft.Common.targets.