diff: fix error in help message

[Fergus Henderson]

Estimated hours taken: 0.25

compiler/options.m:
	Fix a bug in the help message: the short form of the 
	`--line-numbers' option is `-n', not `-l'.

Index: compiler/options.m
===================================================================
RCS file: /home/mercury1/repository/mercury/compiler/options.m,v
retrieving revision 1.255
diff -u -r1.255 options.m
--- options.m	1999/04/05 07:35:17	1.255
+++ options.m	1999/04/15 06:14:17
@@ -1497,7 +1497,7 @@
 		"\tor `<module>.nl' (depending on the dialect).",
 		"--prolog-dialect {sicstus,nu}",
 		"\tTarget the named dialect if generating Prolog code.",
-		"-l, --line-numbers",
+		"-n, --line-numbers",
 		"\tOutput line numbers in the generated code.",
 		"\tOnly works with the `-G' and `-P' options.",
 		"--auto-comments",

-- 
Fergus Henderson <fjh at cs.mu.oz.au>  |  "I have always known that the pursuit
WWW: <http://www.cs.mu.oz.au/~fjh>  |  of excellence is a lethal habit"
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