Bug fix: Found there was still an issue with finding memory holes in the EPICS

shared memory. In some cases, pointers to double type data were not pointing to
a proper 8 byte memory boundary.


git-svn-id: https://redoubt.ligo-wa.caltech.edu/svn/advLigoRTS/trunk@3480 6dcd42c9-f523-4c6d-aada-af552506706e