Try again with fix for BeOS build. This is not the same fix that broke

the Solaris build yestarday, but I'm looking at tinderbox anyway, ready
to back this out if there are build problems.
r=mcafee, r=shaver

configure.in

@@ -2709,7 +2709,7 @@ MOZ_TIMER_LIBS='$(DIST)/lib/libtimer_s.a'
 # Beos needs to link the timer in dynamically
 case "$target" in
     *-beos*)
-        MOZ_TIMER_LIBS=-ltimer_beos
+        MOZ_TIMER_LIBS='$(DIST)/lib/libtimer_beos.so'
 	;;
 esac