- rename assert.h to ai_assert.h. See also https://sourceforge.net/tracker/?func=detail&atid=1067632&aid=3520178&group_id=226462

- rename assert.h to ai_assert.h. See also https://sourceforge.net/tracker/?func=detail&atid=1067632&aid=3520178&group_id=226462

git-svn-id: https://assimp.svn.sourceforge.net/svnroot/assimp/trunk@1240 67173fc5-114c-0410-ac8e-9d2fd5bffc1f