robbiehanson/CocoaLumberjack — pull request #35 by tancred (2012-05-28 09:01:07+00:00)
Title: Copy file and function C string instance variables.

The file and function instance variables aren't necessarily const,
e.g., when constructing a DDLogMessage by hand from some external
source.

Note: updated assignment/copy of the queueLabel ivar as well so
it uses the same code.