[PATCH] uninitialized variable in prism54 isl38xx_trigger_device

drivers/net/wireless/prism54/isl_38xx.c:131: warning: 'current_time.tv_sec' is used uninitialized in this function
drivers/net/wireless/prism54/isl_38xx.c:131: warning: 'current_time.tv_usec' is used uninitialized in this function

Signed-off-by: Olaf Hering <olh@suse.de>