Suppress or fix some unused varible warnings

carlosmn · carlosmn · commit 3615df921ded · 2016-03-15T09:52:42.000+01:00
These (except for the one) are there to keep the pointers alive, so we
do want them there even if we never read from them.
diff --git a/LibGit2Sharp.Tests/SmartSubtransportFixture.cs b/LibGit2Sharp.Tests/SmartSubtransportFixture.cs
@@ -84,7 +84,7 @@ public void CanUseCredentials(string scheme, string url, string user, string pas
             string remoteName = "testRemote";
 
             var scd = BuildSelfCleaningDirectory();
-            var repoPath = Repository.Init(scd.RootedDirectoryPath);
+            Repository.Init(scd.RootedDirectoryPath);
 
             SmartSubtransportRegistration<MockSmartSubtransport> registration = null;
 
diff --git a/LibGit2Sharp/Core/NativeMethods.cs b/LibGit2Sharp/Core/NativeMethods.cs
@@ -14,7 +14,10 @@ internal static class NativeMethods
     {
         public const uint GIT_PATH_MAX = 4096;
         private const string libgit2 = NativeDllName.Name;
+        // This is here to keep the pointer alive
+        #pragma warning disable 0414
         private static readonly LibraryLifetimeObject lifetimeObject;
+        #pragma warning restore 0414
         private static int handlesCount;
 
         /// <summary>
diff --git a/LibGit2Sharp/RefSpec.cs b/LibGit2Sharp/RefSpec.cs
@@ -12,7 +12,10 @@ namespace LibGit2Sharp
     [DebuggerDisplay("{DebuggerDisplay,nq}")]
     public class RefSpec
     {
+        // This is here to keep the pointer alive
+        #pragma warning disable 0414
         readonly Remote remote;
+        #pragma warning restore 0414
         readonly GitRefSpecHandle handle;
 
         internal RefSpec(Remote remote, GitRefSpecHandle handle)
diff --git a/LibGit2Sharp/RefSpecCollection.cs b/LibGit2Sharp/RefSpecCollection.cs
@@ -15,8 +15,11 @@ namespace LibGit2Sharp
     [DebuggerDisplay("{DebuggerDisplay,nq}")]
     public class RefSpecCollection : IEnumerable<RefSpec>
     {
+        // These are here to keep the pointer alive
+        #pragma warning disable 0414
         readonly Remote remote;
         readonly RemoteSafeHandle handle;
+        #pragma warning restore 0414
         readonly Lazy<IList<RefSpec>> refspecs;
 
         /// <summary>
