updated for version 7.3.660
Problem:    ":help !" jumps to help for ":!".
Solution:   Adjust check for tag header line. (Andy Wokula)
diff --git a/src/version.c b/src/version.c
index 06afdf2..3851b3f 100644
--- a/src/version.c
+++ b/src/version.c
@@ -720,6 +720,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    660,
+/**/
     659,
 /**/
     658,