When reading the 'users' file, if the line contains nothing
authoraland <aland>
Tue, 11 Feb 2003 16:45:05 +0000 (16:45 +0000)
committeraland <aland>
Tue, 11 Feb 2003 16:45:05 +0000 (16:45 +0000)
commitd7a18658af9d03d01ce7f6eadb7c3f75da7fdb18
tree139b95d323bf2b1ee17c28febffaffdacfa9803e
parentfa828a510b93b93e6c2ba26a594f6ad7658edf91
When reading the 'users' file, if the line contains nothing
but whitespace, then ignore it.

This will help minimize situations when the parser complains
about 'previous line missing comma', when it doesn't make sense.
src/main/files.c