Ensure all tools are building with -Wall and -Werror

Added -Werror to CFLAGS & CXXFLAGS.
Also corrected resulting compiler errors, including commenting out
possible future-use variables.

Change-Id: If70c7fdbf1d02f29e3d2cab5fa12b51bf5302cd5
Signed-off-by: Matthew Barth <msbarth@us.ibm.com>
2 files changed