refactor(_comp_finalize): use a simple prefix for local variables

Author: akinomyoga

bash_completion

@@ -899,16 +899,16 @@ _comp_finalize()
     while ((${#FUNCNAME[@]} <= ${_comp_finalize__depth[-1]})); do
         if [[ ${#FUNCNAME[@]} -eq ${_comp_finalize__depth[-1]} && ${FUNCNAME[1]-} == "${_comp_finalize__target[-1]}" ]]; then
             # Call finalizer for each command
-            local cmd=${words[0]-} _comp_local_hook
+            local cmd=${words[0]-} _hook
             if [[ $cmd ]]; then
-                _comp_local_hook=${BASH_COMPLETION_FINALIZE_CMD_HOOKS[$cmd]-}
-                eval -- "$_comp_local_hook"
+                _hook=${BASH_COMPLETION_FINALIZE_CMD_HOOKS[$cmd]-}
+                eval -- "$_hook"
             fi
 
             # Call general finalizers
             if [[ ${BASH_COMPLETION_FINALIZE_HOOKS[*]+set} ]]; then
-                for _comp_local_hook in "${BASH_COMPLETION_FINALIZE_HOOKS[@]}"; do
-                    eval -- "$_comp_local_hook"
+                for _hook in "${BASH_COMPLETION_FINALIZE_HOOKS[@]}"; do
+                    eval -- "$_hook"
                 done
             fi
         fi