This seems to make i686-MinGW-w64 happy. Combination of patch 261 on SF.net and input on IRC

git-svn-id: http://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@3872 ed541006-0bf7-43e9-8c4d-6fc63c346d47
mirror cache handling with dynrec core with allocation stuff for 64 bit things

git-svn-id: http://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@3873 ed541006-0bf7-43e9-8c4d-6fc63c346d47