Don't imply that the --tool option is mandatory.



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@5100 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/none/tests/cmdline2.stdout.exp b/none/tests/cmdline2.stdout.exp
index d0cfa74..cd54e32 100644
--- a/none/tests/cmdline2.stdout.exp
+++ b/none/tests/cmdline2.stdout.exp
@@ -1,4 +1,4 @@
-usage: valgrind --tool=<toolname> [options] prog-and-args
+usage: valgrind [options] prog-and-args
 
   common user options for all Valgrind tools, with defaults in [ ]:
     --tool=<name>             use the Valgrind tool named <name> [memcheck]