fixup! fixup! Ensure Tags can be created in detached Head state

Author: nulltoken

LibGit2Sharp.Tests/ResetHeadFixture.cs

@@ -18,7 +18,7 @@ public void ResetANewlyInitializedRepositoryThrows(bool isBare)
 
             using (var repo = new Repository(repoPath))
             {
-                Assert.Throws<LibGit2SharpException>(() => repo.Reset(ResetMode.Soft));
+                Assert.Throws<UnbornBranchException>(() => repo.Reset(ResetMode.Soft));
             }
         }
 

LibGit2Sharp.Tests/ResetIndexFixture.cs

@@ -25,7 +25,7 @@ public void ResetANewlyInitializedNonBareRepositoryThrows()
 
             using (var repo = new Repository(repoPath))
             {
-                Assert.Throws<LibGit2SharpException>(() => repo.Reset());
+                Assert.Throws<UnbornBranchException>(() => repo.Reset());
             }
         }