HUE-4352 [indexer] Fix typo for grok dictionary file exists check
HUE-4352 [indexer] Fix typo for grok dictionary file exists check

kawamon/hue,todaychi/hue,xq262144/hue,cloudera/hue,cloudera/hue,todaychi/hue,cloudera/hue,cloudera/hue,kawamon/hue,kawamon/hue,kawamon/hue,xq262144/hue,fangxingli/hue,kawamon/hue,cloudera/hue,xq262144/hue,cloudera/hue,jayceyxc/hue,kawamon/hue,xq262144/hue,fangxingli/hue,kawamon/hue,cloudera/hue,cloudera/hue,todaychi/hue,fangxingli/hue,kawamon/hue,cloudera/hue,kawamon/hue,jayceyxc/hue,kawamon/hue,xq262144/hue,kawamon/hue,todaychi/hue,fangxingli/hue,kawamon/hue,jayceyxc/hue,xq262144/hue,fangxingli/hue,xq262144/hue,cloudera/hue,todaychi/hue,jayceyxc/hue,xq262144/hue,kawamon/hue,todaychi/hue,cloudera/hue,cloudera/hue,kawamon/hue,cloudera/hue,jayceyxc/hue,jayceyxc/hue,fangxingli/hue,cloudera/hue,jayceyxc/hue,todaychi/hue,todaychi/hue,cloudera/hue,kawamon/hue,cloudera/hue,xq262144/hue,kawamon/hue,cloudera/hue,fangxingli/hue,cloudera/hue,jayceyxc/hue,kawamon/hue,fangxingli/hue,todaychi/hue,kawamon/hue,jayceyxc/hue