fetch SDL2-CS from GitHub

.gitignore

@@ -44,6 +44,7 @@ thirdparty/windows/lua51.dll
 thirdparty/windows/zlib1.dll
 thirdparty/windows/soft_oal.dll
 thirdparty/FuzzyLogicLibrary.dll
+thirdparty/SDL2-CS.dll
 
 # backup files by various editors
 *~

thirdparty/fetch-thirdparty-deps.ps1

@@ -121,3 +121,10 @@ if (!(Test-Path "FuzzyLogicLibrary.dll"))
 	cp FuzzyLogicLibrary/bin/Release/FuzzyLogicLibrary.dll .
 	rmdir FuzzyLogicLibrary -Recurse
 }
+
+if (!(Test-Path "SDL2-CS.dll"))
+{
+	echo "Fetching SDL2 C# from GitHub."
+	$target = Join-Path $pwd.ToString() "SDL2-CS.dll"
+	(New-Object System.Net.WebClient).DownloadFile("https://github.com/OpenRA/SDL2-CS/releases/download/20140407/SDL2-CS.dll", $target)
+}

thirdparty/fetch-thirdparty-deps.sh

@@ -72,3 +72,8 @@ if [ ! -f FuzzyLogicLibrary.dll ]; then
 	cp ./FuzzyLogicLibrary/bin/Release/FuzzyLogicLibrary.dll .
 	rm -rf FuzzyLogicLibrary
 fi
+
+if [ ! -f SDL2-CS.dll ]; then
+	echo "Fetching SDL2-CS from GitHub."
+	wget https://github.com/OpenRA/SDL2-CS/releases/download/20140407/SDL2-CS.dll
+fi