PR 1460/cpukit
* rtems/include/rtems/rtems/object.h,
rtems/src/rtemsobjectapimaximumclass.c,
rtems/src/rtemsobjectgetapiclassname.c,
rtems/src/rtemsobjectgetapiname.c,
rtems/src/rtemsobjectgetclassinfo.c,
rtems/src/rtemsobjectidapimaximum.c,
rtems/src/rtemsobjectidapiminimum.c, rtems/src/rtemsobjectidgetapi.c,
rtems/src/rtemsobjectidgetclass.c, rtems/src/rtemsobjectidgetindex.c,
rtems/src/rtemsobjectidgetnode.c: Change return type on methods
accessing portions of RTEMS Ids to int. This allows -1 to be return
on error.