Fix the following build problem on powerpc:
arch/powerpc/kernel/time.c: In function 'read_persistent_clock':
arch/powerpc/kernel/time.c:788: error: 'return' with a value, in function returning void
arch/powerpc/kernel/time.c:791: error: 'return' with a value, in function returning void
Reported-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: dwalker@fifo99.com
Cc: johnstul@us.ibm.com
LKML-Reference: <20090822222313.74b9619c@skybase>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
d90246cd8e