Prevent folds from automatically appearing in match listing

This can happen if user has:

  set foldmethod=indent
  set foldlevelstart=0

See:

  https://wincent.com/issues/1619

Signed-off-by: Wincent Colaiuta <win@wincent.com>

ruby/command-t/match_window.rb

@@ -64,6 +64,7 @@ def initialize options = {}
         'setlocal nonumber',          # don't show line numbers
         'setlocal nolist',            # don't use List mode (visible tabs etc)
         'setlocal foldcolumn=0',      # don't show a fold column at side
+        'setlocal foldlevel=99',      # don't fold anything
         'setlocal nocursorline',      # don't highlight line cursor is on
         'setlocal nospell',           # spell-checking off
         'setlocal nobuflisted',       # don't show up in the buffer list