Make %reports a global variable
Make %reports a global variable

This allows to share it between make_reports_index and load_report,
which should avoid loading twice the same report.

boklm/tbb-testsuite,boklm/tbb-testsuite,boklm/tbb-testsuite,gunesacar/tor-browser-bundle-testsuite,gunesacar/tor-browser-bundle-testsuite,boklm/tbb-testsuite,gunesacar/tor-browser-bundle-testsuite,boklm/tbb-testsuite,gunesacar/tor-browser-bundle-testsuite