Fix missing function definition in .t.cpp
Fix missing function definition in .t.cpp

This will fix the nightly dev-integration builds - a missing deifnition
for 'operator==' for one of the types specific to a test driver.

bloomberg/bde,che2/bde,che2/bde,che2/bde,che2/bde,bloomberg/bde,bloomberg/bde,bloomberg/bde,bloomberg/bde