When DGAMELAUNCH is defined, use gmtime() instead of localtime() so it's easier to keep multiple dgl servers in sync.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@6744 c06c8d41-db1a-0410-9941-cceddc491573

Created by  dshaligram  on August 1, 2008
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