Address codereview comment from Steve Grubb <sgrubb@redhat.com>:

avoid a duplicate test.

Plus other cleanup in the same code: be "static", sane line lengths
for source and diagnostics, and fix misleading variable names.


git-svn-id: svn://svn.berlios.de/openocd/trunk@2725 b42882b7-edfa-0310-969c-e2dbd0fdcd60