[1819634] Fixed filenames missing in Lua file-not-found error messages.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@2549 c06c8d41-db1a-0410-9941-cceddc491573

Created by  dshaligram  on October 25, 2007
4QRAYSNIMSJQNQAKCSBXZUGXYAYU2MZNRN76U55AMRNQPITMZOQAC
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