Makefile: don't try to 'redo Makefile'.
Makefile: don't try to 'redo Makefile'.

This eliminates the relatively new warning about trying to redo static
files.

pombredanne/redo,apenwarr/redo,pombredanne/redo,apenwarr/redo,dinkelk/redo-python,rowhit/redo,apenwarr/redo,rowhit/redo,rowhit/redo,pombredanne/redo,dinkelk/redo-python,dinkelk/redo-python,rowhit/redo,dinkelk/redo-python,apenwarr/redo,pombredanne/redo