Fix mke2fs man page to escape all minus signs

Option specifiers must be escaped so the are printed as minus signs
(U+002D) instead of hyphens (U+2010).  Hence "mke2fs -t ext4" must be
expressed as "mke2fs \-t ext4" instead.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
1 file changed