TO-DROP: allow overriding the Git version to use in Functional Tests

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>

Author: dscho

GVFS/GVFS.FunctionalTests/Settings.cs

@@ -47,6 +47,10 @@ public static void Initialize()
                 EnlistmentRoot = @"C:\Repos\GVFSFunctionalTests\enlistment";
                 PathToGVFS = @"C:\Program Files\VFS for Git\GVFS.exe";
                 PathToGit = @"C:\Program Files\Git\cmd\git.exe";
+                if (Environment.GetEnvironmentVariable("DDDGIT") != null)
+                {
+                    PathToGit = Environment.GetEnvironmentVariable("DDDGIT");
+                }
                 PathToBash = @"C:\Program Files\Git\bin\bash.exe";
 
                 ControlGitRepoRoot = @"C:\Repos\GVFSFunctionalTests\ControlRepo";