updated for version 7.4.663

Problem:    When using netbeans a buffer is not found in another tab.
Solution:   When 'switchbuf' is set to "usetab" then switch to another tab
            when possible. (Xavier de Gaye)

src/version.c

@@ -741,6 +741,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    663,
 /**/
     662,
 /**/