Bug#911386: libgraphicsmagick-q16-3: graphicsmagick 1.3.30 has made formats case-se nsitive at the API level

[Bob Friesenhahn]

This bug is fixed by GraphicsMagick Mercurial changeset 
15811:1950b22122df.

Sorry for introducing a problem.
Bob
--
Bob Friesenhahn
bfrie...@simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer,    http://www.GraphicsMagick.org/