staging: wilc1000: rename s32Error of mac_ioctl function

This patch rename s32Error variable of mac_ioctl function to ret
to avoid CamelCase naming convention.

Signed-off-by: Leo Kim <leo.kim@atmel.com>
Signed-off-by: Glen Lee <glen.lee@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
1 file changed