[PATCH] cg-clean: fix argument processing

cg-clean was broken by the "robustified usage checks".  This patch
restores the old behavior, i.e. cg-clean reports errors if there is
anything but switches on the command line.  Empty arguments are rejected
now as well.

Signed-off-by: Pavel Roskin <redacted>

diff --git a/cg-clean b/cg-clean
index f680aee..1cc1ae8 100755
--- a/cg-clean
+++ b/cg-clean

@@ -44,7 +44,7 @@ while optparse; do
 	fi
 done
 
-[ ${#ARGS[*]} -ge 1 ] || usage
+[ ${#ARGS[*]} = 0 ] || usage
 
 
 clean_dirs()

-- 
Regards,
Pavel Roskin