Add flush() to Print for backwards compatibility #541
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Adds a
virtual void flush()declaration to Print.The
void flush()function is referenced in at least one library that I know of - SD Fat, and if this core is used with the library, compilation fails since it tries to overrideflush().This change has already been made to the Adafruit Arduino core: Commit 33d98c0
And a need for this fix mentioned in several other places:
Thank you.