Merge branch 'jc/maint-1.7.3-checkout-describe'

* jc/maint-1.7.3-checkout-describe:
  checkout -b <name>: correctly detect existing branch

1 files changed, 1 insertions, 0 deletions

diff --git a/refs.h b/refs.h
index 5e7a9a59f5..5de06e57e7 100644
--- a/refs.h
+++ b/refs.h
@@ -54,6 +54,7 @@ extern void warn_dangling_symref(FILE *fp, const char *msg_fmt, const char *refn
  */
 extern void add_extra_ref(const char *refname, const unsigned char *sha1, int flags);
 extern void clear_extra_refs(void);
+extern int ref_exists(char *);
 
 extern int peel_ref(const char *, unsigned char *);