Add test to improve coverage of CheckIO::checkWrongPrintfScanfArguments()
Tokenizer: Fixed bad simplifyComma for code 'return a ? b = c , d : e ;'
updated posix.cfg
Fixed #5656 (false positive: (error) Possible null pointer dereference: f)
CheckMemoryLeak: moved 'popen' into posix scope
Fixed #5525 (Closing a socket file descriptor gives an error: Mismatching allocation and deallocation)
Fixed #5576 (false positive: (POSIX) (error) Resource leak: sockfd)
#5593 - hang or --report-progress broken (does not report progress) : add reportProgress() call to SymbolDatabase
Merge branch 'master' of https://github.com/danmar/cppcheck
Merge remote-tracking branch 'upstream/master'