Merge branch 'nd/completion-aliasfiletype-typofix'

Typofix.

* nd/completion-aliasfiletype-typofix:
  completion: fix misspelled config key aliasesfiletype

Author: gitster

contrib/completion/git-completion.bash

@@ -2177,7 +2177,7 @@ _git_config ()
 		__gitcomp "$__git_log_date_formats"
 		return
 		;;
-	sendemail.aliasesfiletype)
+	sendemail.aliasfiletype)
 		__gitcomp "mutt mailrc pine elm gnus"
 		return
 		;;