[PATCH 3/5] _git: Fix an apparent typo in __git_heads().

[Daniel Shahaf <d.s@xxxxxxxxxxxxxxxxxx>]

I couldn't reproduce different behaviour with and without this patch, although
the called command's output differs.
---
 Completion/Unix/Command/_git | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Completion/Unix/Command/_git b/Completion/Unix/Command/_git
index c41b352..46e62e0 100644
--- a/Completion/Unix/Command/_git
+++ b/Completion/Unix/Command/_git
@@ -5646,7 +5646,7 @@ __git_heads_local () {
   local gitdir
   declare -a heads
 
-  heads=(${(f)"$(_call_program headrefs git for-each-ref --format='"%(refname:short)" refs/heads' 2>/dev/null)"})
+  heads=(${(f)"$(_call_program headrefs git for-each-ref --format='"%(refname:short)"' refs/heads 2>/dev/null)"})
   gitdir=$(_call_program gitdir git rev-parse --git-dir 2>/dev/null)
   if __git_command_successful $pipestatus; then
     for f in HEAD FETCH_HEAD ORIG_HEAD MERGE_HEAD; do
@@ -5663,7 +5663,7 @@ __git_heads_local () {
 __git_heads_remote () {
   declare -a heads
 
-  heads=(${(f)"$(_call_program headrefs git for-each-ref --format='"%(refname:short)" refs/remotes' 2>/dev/null)"})
+  heads=(${(f)"$(_call_program headrefs git for-each-ref --format='"%(refname:short)"' refs/remotes 2>/dev/null)"})
 
   __git_describe_commit heads heads-remote "remote head" "$@"
 }