[Fix #283] Define $LS_COLORS for completion

modules/utility/init.zsh

@@ -76,7 +76,12 @@ if is-callable 'dircolors'; then
 else
   # BSD Core Utilities
   if zstyle -t ':prezto:module:utility:ls' color; then
+    # Define colors for BSD ls.
     export LSCOLORS="exfxcxdxbxegedabagacad"
+
+    # Define colors for the completion system.
+    export LS_COLORS="di=34:ln=35:so=32:pi=33:ex=31:bd=36;01:cd=33;01:su=31;40;07:sg=36;40;07:tw=32;40;07:ow=33;40;07:"
+
     alias ls="ls -G"
   else
     alias ls='ls -F'