trivial diff: test inter-module optimization

[Simon Taylor]

Estimated hours taken: 0.1
	Add --intermod-unused-args to the optimization flags
	for murlibobo.

Index: test_mercury
===================================================================
RCS file: /home/staff/zs/imp/mercury/tools/test_mercury,v
retrieving revision 1.73
diff -u -t -u -r1.73 test_mercury
--- test_mercury	1998/05/29 01:10:40	1.73
+++ test_mercury	1998/06/02 04:47:48
@@ -50,7 +50,7 @@
 
 case $HOST in
         # test things at different optimization levels...
-        murlibobo)      OPTIMIZE=-O5 ;;
+        murlibobo)      OPTIMIZE="-O5 --intermod-unused-args" ;;
         kryten)         OPTIMIZE=-O1 ;;
         mercury)        OPTIMIZE=-O3 ;;
         hydra)          OPTIMIZE=-O2 ;;