java/57142: unexhaustive check for installed linux jdk 1.4 distributions in bsd.java.mk

[Ernst de Haan]

Except for urgent fixes I won't make any changes to the bsd.java.mk file 
until bsd.java.mk 2.0 is committed.

Herve, could you check if your bsd.java.mk 2.0 covers this issue?

Ernst