For some reason on win-trace-rel the pointer value us written
as a hex number but without the leading "0x", so the number gets
interpreted as octal, and compilation fails.

Fixes: cb4f8a79
    Capture: Add a specialization for TGLeglImageOES

Bug: angleproject:6036
Change-Id: I949ace542a0ad257b47fbe539893a56c1c32b0b3
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2982551Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Gert Wollny <gert.wollny@collabora.com>