Account for the new database directory when building. Apply evktalo's

patch [1914727] to fix makefile.mgw, and apply similar changes to the other makefiles to fix the same problem (untested).

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@3651 c06c8d41-db1a-0410-9941-cceddc491573

Created by  dolorous  on March 15, 2008
PCV44ADMK3UM2ANBGUCU4A6Q63MN5JY57SFE7LBFUCONWVS7DKKAC
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