Master build fails with PIO

[enwi]

In file included from .pio/libdeps/denky32/OneBitDisplay/src/OneBitDisplay.cpp:57:
.pio/libdeps/denky32/OneBitDisplay/src/obd_io.inl:353:13: error: 'void RawWriteData(OBDISP*, unsigned char*, int)' was declared 'extern' and later 'static' [-fpermissive]
 static void RawWriteData(OBDISP *pOBD, unsigned char *pData, int iLen)
             ^~~~~~~~~~~~
In file included from .pio/libdeps/denky32/OneBitDisplay/src/OneBitDisplay.cpp:56:
.pio/libdeps/denky32/OneBitDisplay/src/OneBitDisplay.h:698:6: note: previous declaration of 'void RawWriteData(OBDISP*, unsigned char*, int)'
 void RawWriteData(OBDISP *pOBD, unsigned char *ucBuf, int iLen);
      ^~~~~~~~~~~~
*** [.pio\build\denky32\lib288\OneBitDisplay\OneBitDisplay.cpp.o] Error 1