amiserial: Remove unused variable icount
drivers/char/amiserial.c: In function ?rs_ioctl?: drivers/char/amiserial.c:1302: warning: unused variable ?icount? commit 0587102c ("tty: icount changeover for other main devices") removed the users, but not the actual variable. Signed-off-by: NGeert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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