More defensive-coding fixes from James H.
authorsimon <simon@cda61777-01e9-0310-a592-d414129be87e>
Wed, 1 Jul 2009 22:01:21 +0000 (22:01 +0000)
committersimon <simon@cda61777-01e9-0310-a592-d414129be87e>
Wed, 1 Jul 2009 22:01:21 +0000 (22:01 +0000)
commit8719c2e7d9245278ab694369b971caa7567b2f06
tree28e6a53dd57a145cd175bb6d0697c7459d15a5cb
parent98488ab92877f83b7727ed2571c6da991e1783c1
More defensive-coding fixes from James H.

git-svn-id: svn://svn.tartarus.org/sgt/puzzles@8605 cda61777-01e9-0310-a592-d414129be87e
cube.c
filling.c
loopy.c
pattern.c