Fix ctags-exuberant script used by vim.

.vim/bin/ctags-exuberant

@@ -1,6 +1,6 @@
 #!/bin/sh
 
-if which ctags-exuberant &>/dev/null; then
+if which ctags-exuberant >/dev/null 2>&1 ; then
     if echo $@|grep -- "--language-force=php" >/dev/null 2>&1 ; then
         ctags-exuberant $(echo $@ | sed 's/--language-force=php//' | sed 's/--php-types=[^ ]*//')
     else