Fix the rest of the warnings about integer sign change with ICC

None of these change the code in any way. The solutions applied are:
 - change the type to a more appropriate one, if possible
 - use ~0 instead of -1 when flags were intended
 - cast a -1 to the proper type otherwise

Change-Id: Ifcc125528f32b8c8f9ab20bea103e2a693045bf8
Reviewed-by: hjk <qthjk@ovi.com>