* sysdeps/powerpc/powerpc32/__longjmp.S (JB_SIZE): Undefine before
including __longjmp-common.S again.
* sysdeps/powerpc/powerpc64/__longjmp.S (JB_SIZE): Likewise.
* sysdeps/powerpc/powerpc32/setjmp.S (JB_SIZE): Undefine before
including setjmp-common.S again.
* sysdeps/powerpc/powerpc64/setjmp.S (JB_SIZE): Likewise.
* sysdeps/powerpc/novmxsetjmp.h (__novmx__longjmp): Fix type of
first argument in the prototype.
* sysdeps/powerpc/longjmp.c (__vmx__longjmp, __vmx__libc_longjmp):
Remove bogus semicolons.