puzzle: fix some compiler warnings
authorMatthias Clasen <mclasen@redhat.com>
Sat, 9 Jun 2018 23:14:08 +0000 (19:14 -0400)
committerMatthias Clasen <mclasen@redhat.com>
Sat, 9 Jun 2018 23:39:43 +0000 (19:39 -0400)
commit9d48a95d9a0a2087131ea28c5c4d2af60b3ac1b0
treec269f50e5bc8e27313b3d9160fda420ce36ad9ac
parentcfbba2c7100a9fcb2b17c05f35caf1362a075293
puzzle: fix some compiler warnings

These slipped under the radar, sorry.
demos/gtk-demo/sliding_puzzle.c