The UINT16_MAX constant this patch (re)defines since Feb 2006 in ospfd.h
is already available by means of zebra.h, which has it since May 2006
(git commit 35cfc90cce32b19c71d2f40aab06d36eb6bfdc44). This way
patch-ospfd-ospfd.h can be safely discarded.

Requested by: Quagga developers