Yes you do...

src/controllers/midi/portmidicontroller.cpp:190
src/soundmanager.cpp:295,319,343
src/dlgprefsounditem.cpp:91,104
src/soundsourceflac.cpp:70,75
plugins/soundsourcemediafoundation/soundsourcemediafoundation.cpp:260,268,320
plugins/soundsourcem4a/m4a/mp4-mixxx.cpp:174,181,207
plugins/soundsourcem4a/m4a/mp4.c:120,127,147

I don't mind standards, but I won't be held to a double standard.