* #6132: add constness, remove redundant "inline" keywords

sflphone-common/src/Codec.h

sflphone-common/src/MimeParameters.h

sflphone-common/src/audio/alsa/alsalayer.h

sflphone-common/src/audio/audiolayer.h

sflphone-common/src/audio/audiortp/AudioRtpFactory.h

sflphone-common/src/audio/audiortp/AudioRtpRecordHandler.h

sflphone-common/src/audio/pulseaudio/pulselayer.h

sflphone-common/src/call.h

sflphone-common/src/history/historyitem.h

sflphone-common/src/history/historymanager.h

sflphone-common/src/managerimpl.h

sflphone-common/src/numbercleaner.h

sflphone-common/src/plug-in/librarymanager.h

sflphone-common/src/plug-in/plugin.h

sflphone-common/src/sip/Fmtp.h

sflphone-common/src/sip/Pattern.h

sflphone-common/src/sip/SdesNegotiator.h

sflphone-common/src/sip/sdp.h

sflphone-common/src/sip/sipcall.h

sflphone-common/src/voiplink.h