Commit [98f57a] Maximize Restore History

Remove unused functions causing errors in recent gcc

The Fedora rawhide compiler is now stricter and will treat the
warnings for unused functions as errors and stop the compile. This patch
removes two unused functions in the code.

Signed-off-by: William Cohen <wcohen@redhat.com>

William Cohen William Cohen 2014-06-10

Maynard Johnson Maynard Johnson 2014-06-10

changed libpp
changed libpp/callgraph_container.cpp
changed libpp/xml_utils.cpp
libpp
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