Disable the DYLD_CANT_UNLOAD workaround for Mac OS X Server, since the

current version (and the patched older version) doesn't need this any
more.  We don't want to delete the code from unix/os.c, however,
because OpenStep's dyld needs it.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@84220 13f79535-47bb-0310-9956-ffa450edef68