libopkg: discard empty control file fields
authorJo-Philipp Wich <jo@mein.io>
Fri, 10 Feb 2017 09:28:09 +0000 (10:28 +0100)
committerJo-Philipp Wich <jo@mein.io>
Fri, 10 Feb 2017 09:28:09 +0000 (10:28 +0100)
If the resulting string is empty after whitespace trimming, free it and
store NULL instead of an empty string buffer.

Signed-off-by: Jo-Philipp Wich <jo@mein.io>

No differences found