LU-2227 build: fix 'memory illegal access' errors

LU-2227 build: fix 'memory illegal access' errors

Fix 'memory illegal access' defects found by Coverity version
6.0.3:
Buffer not null terminated (BUFFER_SIZE_WARNING)
Calling strncpy with a certain maximum size argument on
destination array of same size might leave the destination string
unterminated.
Out-of-bounds read (OVERRUN_STATIC)
Overrunning static array with n elements, at position n.
String not null terminated (STRING_NULL)
Function does not terminate string.

Signed-off-by: Sebastien Buisson <sebastien.buisson@bull.net>
Change-Id: I5ded09054b2e0e5296ba17d7528518fed298fc89
Reviewed-on: http://review.whamcloud.com/4391
Tested-by: Hudson
Tested-by: Maloo <whamcloud.maloo@gmail.com>
Reviewed-by: Bob Glossman <bob.glossman@intel.com>
Reviewed-by: Keith Mannthey <keith.mannthey@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>