Value returned from a function is not checked for errors before being used

Defect 76731 (STATIC_C)
Checker CHECKED_RETURN (subcategory none)
File: /src/mongo/db/repl/sync_tail.cpp
Function mongo::repl::SyncTail::OpQueueBatcher::getNextBatch(std::chrono::duration<long, std::ratio<(long)1, (long)1>>)
/src/mongo/db/repl/sync_tail.cpp, line: 541
Calling "wait_for" without checking return value (as is done elsewhere 7 out of 11 times).

                _cv.wait_for(lk, maxWaitTime);