completion: fix global bash variable leak on __gitcompappend

Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash
index 019026e..2504fb6 100644 (file)
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash
@@ -180,7 +180,7 @@ fi
 
 __gitcompappend ()
 {
-       local i=${#COMPREPLY[@]}
+       local x i=${#COMPREPLY[@]}
        for x in $1; do
                if [[ "$x" == "$3"* ]]; then
                        COMPREPLY[i++]="$2$x$4"