Merge pull request #155 from ajaissle/patch-1

Prevent possible buffer overflow in iperf_error.c
(cherry picked from commit 13b65724fb0a7e8f40b05b7d0014435e7a0a4208)

Signed-off-by: Bruce A. Mah <bmah@es.net>
Minor style fixes, no functional change.

Related to Issue #155.

(cherry picked from commit 73936538a75d73919b6c0f08edd936b3e9d3b359)
Signed-off-by: Bruce A. Mah <bmah@es.net>