With this change the rdepends file can now have empty lines
and comment lines. The perl-rdepends.txt generation will be
fixed with further commits to leverage this change.
(From OE-Core rev: 2256afc652d69e720a31f7c5858d5ab32b0065f2)
Signed-off-by: Awais Belal <awais_belal@mentor.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>