git_stash_drop should return 0 on success.

Therzok · Therzok · commit c48630bd156d · 2015-04-06T18:16:03.000+03:00
diff --git a/LibGit2Sharp/Core/Proxy.cs b/LibGit2Sharp/Core/Proxy.cs
@@ -2719,7 +2719,7 @@ public static void git_stash_drop(RepositorySafeHandle repo, int index)
             using (ThreadAffinity())
             {
                 int res = NativeMethods.git_stash_drop(repo, (UIntPtr) index);
-                Ensure.BooleanResult(res);
+                Ensure.ZeroResult(res);
             }
         }
 

Original file line number	Diff line number	Diff line change
`@@ -2719,7 +2719,7 @@ public static void git_stash_drop(RepositorySafeHandle repo, int index)`
`2719`	`2719`	`using (ThreadAffinity())`
`2720`	`2720`	`{`
`2721`	`2721`	`int res = NativeMethods.git_stash_drop(repo, (UIntPtr) index);`
`2722`		`- Ensure.BooleanResult(res);`
	`2722`	`+ Ensure.ZeroResult(res);`
`2723`	`2723`	`}`
`2724`	`2724`	`}`
`2725`	`2725`