-Werror,-Wunused-but-set-variable

...which was apparently meant as a "Possible debugger breakpoint" in
DBG_UTIL-only sw_DebugRedline.  The obvious fix is to mark nDummy as volatile,
but increment of a volatile variable is deprecated, so replace those with reads
of the variable, but which triggered false loplugin:casttovoid so fix that too.

Change-Id: I07376e665caa4fd9befaba06d261a50df7a63a10
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/132237
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>

0 files changed, 0 insertions, 0 deletions