assembler doesn't grok comparators

[Simon Cozens]

This code:

        set I2 0
l2:     inc I2
        le  I2, 50000, l2, l3
l3:

wouldn't assemble because the assembler couldn't turn
le into le_i_ic. Patches welcome.

-- 
Stinginess with privileges is kindness in disguise.
                -- Guide to VAX/VMS Security, Sep. 1984