Git-plugin: Move file statuses count

Count file status in an external loop. git status shouldn't be used in a non porcelain mode

plugins/git/functions/git-info

@@ -273,7 +273,11 @@ function git-info() {
       elif [[ "$branch_info[2]" == (#b)(?##) ]]; then
         branch="$match[1]"
       fi
-    else
+    fi
+  done < <("${(z)status_cmd}" 2>/dev/null)
+
+  # Get current status.
+  while IFS=$'\n' read line; do
     # Count added, deleted, modified, renamed, unmerged, untracked, dirty.
     # T (type change) is undocumented, see http://git.io/FnpMGw.
     # For a table of scenarii, see http://i.imgur.com/2YLu1.png.
@@ -284,8 +288,7 @@ function git-info() {
     [[ "$line" == (AA|DD|U?|?U)\ * ]] && (( unmerged++ ))
     [[ "$line" == \?\?\ * ]] && (( untracked++ ))
     (( dirty++ ))
-    fi
-  done < <("${(z)status_cmd}" 2>/dev/null)
+  done < <(${(z)status_cmd} 2>/dev/null)
 
   # Format branch.
   if [[ -n "$branch" ]]; then