tcs/tcsi_evlog: Fix overflow condition in calc'ing last event
tcs/tcsi_evlog: Fix overflow condition in calc'ing last event

Signed-off-by: Kent Yoder <a62f2225bf70bfaccbc7f1ef2a397836717377de@linux.vnet.ibm.com>
Signed-off-by: Andreas Fuchs <622ac2c25087201462d23b927a044354eba8dded@sit.fraunhofer.de>

Distrotech/trousers,Distrotech/trousers,Distrotech/trousers,emilcondrea/trousers,emilcondrea/trousers,emilcondrea/trousers