Fix bug in which extended term in PDF might not get calculated.
Fix bug in which extended term in PDF might not get calculated.

Signed-off-by: Wouter Verkerke <a828b442a61dc068271c4de5e7263419bac2b4a3@nikhef.nl>

kirbyherm/root-r-tools,kirbyherm/root-r-tools,Dr15Jones/root,tc3t/qoot,tc3t/qoot,tc3t/qoot,tc3t/qoot,Dr15Jones/root,kirbyherm/root-r-tools,ffurano/root5,tc3t/qoot,tc3t/qoot,Dr15Jones/root,ffurano/root5,Dr15Jones/root,kirbyherm/root-r-tools,ffurano/root5,Dr15Jones/root,tc3t/qoot,Dr15Jones/root,kirbyherm/root-r-tools,ffurano/root5,tc3t/qoot,kirbyherm/root-r-tools,ffurano/root5,ffurano/root5,ffurano/root5,tc3t/qoot,kirbyherm/root-r-tools,tc3t/qoot,Dr15Jones/root