Fixed some compilation warnings.

Author Pascal J. Bourguignon <pjb@informatimago.com>
Author date 2011-01-01 01:41:44
Author local date 2011-01-01 02:41:44 +0100
Committer Pascal J. Bourguignon <pjb@informatimago.com>
Committer date 2011-01-01 01:41:44
Committer local date 2011-01-01 02:41:44 +0100
Commit 7a46eb5d121072768083d90559dc05caaf2734f2
Tree 17b2ae33704fb5a46ba762a90a9da9976f38be35
Parent 4b1e9be5f8d230553558b2c3afc560507b1820eb
Fixed some compilation warnings.
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