SF bug #952866:  "can't multiply sequence *by* non-int"

Minor wording fix.
diff --git a/Objects/abstract.c b/Objects/abstract.c
index f586d6d..01e3e4c 100644
--- a/Objects/abstract.c
+++ b/Objects/abstract.c
@@ -636,7 +636,7 @@
 	}
 	else {
 		return type_error(
-			"can't multiply sequence to non-int");
+			"can't multiply sequence by non-int");
 	}
 #if LONG_MAX != INT_MAX
 	if (count > INT_MAX) {