Ping: Fix the PowerPC var-tracking.c failure

[Peter Bergner]

On Sun, 2007-09-30 at 23:16 +0100, Richard Sandiford wrote:
> Ping!  Now bootstrapped & regression-tested on x86_64-linux-gnu, ppc32
> and ia64.  Also regression-tested on mipsisa64-elf.  It sounds like
> Jakub has seen this bug well before the recent DSE changes.

This has also passed bootstrap and regression testing (running the
testsuite in both 32-bit and 64-bit modes) on powerpc64-linux with
no regressions.

Peter