[libgit2-glib] branch: fix return for is_head method

[Ignacio Casal Quinteiro <icq src gnome org>]

commit f62234323294d3874d4cd5e78bf5b700b3370276
Author: Ignacio Casal Quinteiro <icq gnome org>
Date:   Sat Mar 30 21:23:01 2013 +0100

    branch: fix return for is_head method

 libgit2-glib/ggit-branch.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/libgit2-glib/ggit-branch.c b/libgit2-glib/ggit-branch.c
index d56f000..15cacb7 100644
--- a/libgit2-glib/ggit-branch.c
+++ b/libgit2-glib/ggit-branch.c
@@ -200,7 +200,7 @@ ggit_branch_is_head (GgitBranch  *branch,
                _ggit_error_set (error, ret);
        }
 
-       return (ret == 0);
+       return (ret == 1);
 }
 
 /* ex:set ts=8 noet: */