Avoid leaking $item into shell

autoload/libexec/__fzf::widget::insert

@@ -4,6 +4,7 @@ local -a items
 IFS=$'\n' items=(`cat`)
 
 if [[ -n $items ]]; then
+  local item
   for item in $items; do
     if [[ $1 = -q ]]; then
       # quote special characters with backslashes

autoload/libexec/__fzf::widget::replace

@@ -7,6 +7,7 @@ if [[ -n $items ]]; then
   BUFFER=''
   CURSOR=$#BUFFER
   zle redisplay
+  local item
   for item in $items; do
     if [[ $1 = -q ]]; then
       # quote special characters with backslashes