Refix ?/ error message format to handle 64-bit and 32-bit size_t without

compiler warning noises.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@2194 c06c8d41-db1a-0410-9941-cceddc491573

Created by  dshaligram  on September 24, 2007
VE7FMKHCEFZ4ENKLRFGKMJWM3QEHAVUC5EKL2R4ESQ3P2XFKFHAAC
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