Merge pull request #292 from Jille/remove-unused-var

bash_autocomplete: Remove unused local variable prev

autocomplete/bash_autocomplete

@@ -3,10 +3,9 @@
 : ${PROG:=$(basename ${BASH_SOURCE})}
 
 _cli_bash_autocomplete() {
-     local cur prev opts base
+     local cur opts base
      COMPREPLY=()
      cur="${COMP_WORDS[COMP_CWORD]}"
-     prev="${COMP_WORDS[COMP_CWORD-1]}"
      opts=$( ${COMP_WORDS[@]:0:$COMP_CWORD} --generate-bash-completion )
      COMPREPLY=( $(compgen -W "${opts}" -- ${cur}) )
      return 0