fixes issue 1124
fixes issue 1124

Fixes assert in rct_add_exports() that can't handle a forwarded export
having been modified to point not at the string in the exports section
but directly to the target routine in another module.

SVN-Revision: 2007

bl4ckic3/dynamorio,code4bones/dynamorio,bl4ckic3/dynamorio,AmesianX/dynamorio,bl4ckic3/dynamorio,sigma-random/dynamorio,code4bones/dynamorio,AmesianX/dynamorio,sigma-random/dynamorio,daksunt/dynamorio,daksunt/dynamorio,code4bones/dynamorio,sigma-random/dynamorio,daksunt/dynamorio,AmesianX/dynamorio,daksunt/dynamorio,AmesianX/dynamorio,code4bones/dynamorio,AmesianX/dynamorio,sigma-random/dynamorio,bl4ckic3/dynamorio,daksunt/dynamorio,bl4ckic3/dynamorio,sigma-random/dynamorio,code4bones/dynamorio