hg: dio/dev: 8069158: Need to fix build warnings

[sergey.nazarkin at oracle.com]

Changeset: d890b3e2738e
Author:    snazarki
Date:      2015-01-16 15:01 +0400
URL:       http://hg.openjdk.java.net/dio/dev/rev/d890b3e2738e

8069158: Need to fix build warnings
Summary: Corrected function signatures and variable types
Reviewed-by: alkonsta

! src/share/linux/native/com/oracle/dio/spibus/spi.c
! src/share/linux/native/com/oracle/dio/uart/serial.c
! src/share/native/com/oracle/dio/javacall_serial.h