drivers/net/r6040.c: correct bad use of round_jiffies()
drivers/net/r6040.c: correct bad use of round_jiffies()

Compared to other places in the kernel, I think that this driver misuses
the function round_jiffies.

Signed-off-by: Christophe Jaillet <aa5b4d6ac057e7b0849afbbced06a03fc6c87d45@wanadoo.fr>
Signed-off-by: Jeff Garzik <15f615bf7d20c2937c7eb5aa759110fd6768848c@redhat.com>

KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs