[krbdev.mit.edu #6697] SVN Commit

[Tom Yu via RT]

Adapted patch from Arlene Berry to handle dlerror() returning a null
pointer.

http://src.mit.edu/fisheye/changelog/krb5/?cs=23929
Commit By: tlyu
Revision: 23929
Changed Files:
U   trunk/src/util/support/plugins.c