druntime commit, revision 502


user: braddr

msg:
Fix rt/dmain2 to properly declare one missing symbol (probably visible due to bug 314 while building the whole library but not when building the unittest.
Start building druntime with -O on 64 bit, everything passes now

http://www.dsource.org/projects/druntime/changeset/502

paths changed:
U   trunk/posix.mak
U   trunk/src/rt/dmain2.d