K 10
svn:author
V 6
alonso
K 8
svn:date
V 27
2015-01-12T20:58:16.367207Z
K 7
svn:log
V 252
Track libpng dependency

gwenview is depending on libpng not just via kdelibs but directly. Caught by
trying to update a pre-libpng-1.6 system which resulted in gwenview remaining
with references to the outdated libpng15.

Approved by:	rakuco (mentor)

END