warning: a ';' might be needed at the end of action code

[John P. Hartmann]

This warning is introduced between 3.0.2 and 3.0.4 as far as I can tell.

Is there a way to stop bison adding gratuitous stuff to the actions 
other than $ and @ processing?

Do remember that we are a band of merry men who write IBM System/360 
assembler in the actions.

We still bemoan the loss of the tables only option, but I guess there is 
nothing doing about that.