Build problem with lXext for solaris 2

[jacobi]

On sparc with solaris2.5, Kaffe builds 
.../kaffe-snap/libraries/clib/awt/X/Makefile using twice
        -lXext -L/usr/openwin/lib -R/usr/openwin/lib
instead of
        -L/usr/openwin/lib -R/usr/openwin/lib -lXext
        
Chris