Turn on -o filenames in _filedir() if compopt is available.

CHANGES

@@ -43,6 +43,7 @@ bash-completion (2.x)
   * Combine dcop and qdbus completions into the latter.
   * sed usage portability fixes.
   * Fix leaking local variables from various completions.
+  * Turn on -o filenames in _filedir on bash >= 4.
 
   [ Freddy Vulto ]
   * Added _get_pword() helper function, thanks to Sung Pae (Alioth: #312030)

bash_completion

@@ -456,6 +456,8 @@ _filedir()
     fi
 
     COMPREPLY=( "${COMPREPLY[@]}" "${toks[@]}" )
+    [ ${#COMPREPLY[@]} -ne 0 ] && type compopt &>/dev/null && \
+        compopt -o filenames
 } # _filedir()