fortune: Fix tag width in fortune.6 man-page

Reported by: ziaee

Reviewed by:	ziaee
Differential Revision:	https://reviews.freebsd.org/D59242

usr.bin/fortune/fortune/fortune.6

@@ -178,7 +178,7 @@ If set, fortune will save some state about what fortune
 it was up to on disk.
 .El
 .Sh FILES
-.Bl -tag -width ".Pa /usr/local/share/games/fortune/*"
+.Bl -tag -width "/usr/local/share/games/fortune/*"
 .It Pa /usr/share/games/fortune/*
 the base system fortune databases, currently
 .Pa freebsd-tips