Fix multiple detection of the same chip

r1293 introduced a bug which caused probing to loop at the first found
chip.

Corresponding to flashrom svn r1296.

Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Idwer Vollering <vidwer@gmail.com>
diff --git a/cli_classic.c b/cli_classic.c
index 160ea88..d1b4686 100644
--- a/cli_classic.c
+++ b/cli_classic.c
@@ -368,6 +368,7 @@
 		if (startchip == -1)
 			break;
 		chipcount++;
+		startchip++;
 	}
 
 	if (chipcount > 1) {