updated for version 7.4.490
Problem:    Cannot specify the buffer to use for "do" and "dp", making them
            useless for three-way diff.
Solution:   Use the count as the buffer number. (James McCoy)
diff --git a/src/version.c b/src/version.c
index 1ef0818..3fc09c8 100644
--- a/src/version.c
+++ b/src/version.c
@@ -742,6 +742,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    490,
+/**/
     489,
 /**/
     488,