fixes for disasm

git-svn-id: svn://svn.code.sf.net/p/bochs/code/trunk@11885 6c8e4198-a580-4521-a02f-c9ae86df1db9
fixed memory bug found by gcc 4.8.1 warning

git-svn-id: svn://svn.code.sf.net/p/bochs/code/trunk@11886 6c8e4198-a580-4521-a02f-c9ae86df1db9