Revert rev 1.89:
http://cvsweb.netbsd.org/bsdweb.cgi/src/sys/arch/sh3/sh3/pmap.c#rev1.89

I misunderstood evaluation order of ? operator.

I should have split the commit into two parts, i.e., with and without
binary diffs, in order to avoid such a serious mistake.

Thanks rillig@ so much for careful check!!!!

(rin)