dz: test after postfix decrement fails in dz_console_putchar()
dz: test after postfix decrement fails in dz_console_putchar()

When loops reaches 0 the postfix decrement still subtracts, so the subsequent
test fails.

Signed-off-by: Roel Kluin <e18d74b914d880e021734ee3329e838c0a50e849@tiscali.nl>
Acked-by: Maciej W. Rozycki <78f3a3d9d6e4d907a7d12e475d0a751d6b7e256b@linux-mips.org>
Cc: Johannes Weiner <331be22c6b63ca3e0a03d408c2d906b1b02cd5f2@saeurebad.de>
Cc: <4fbacc2fa0ffdbb11bf1ad6925b886ebd08dd15f@kernel.org>
Signed-off-by: Andrew Morton <5c1e68b099950c134891f0b6e179498a8ebe9cf9@linux-foundation.org>
Signed-off-by: Linus Torvalds <69652caca27c8b940640ad396ab71f93cacec34f@linux-foundation.org>

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