updated for version 7.3.669
Problem:    When building with Cygwin loading Python dynamically fails.
Solution:   Use DLLLIBRARY instead of INSTSONAME. (Ken Takata)
diff --git a/src/version.c b/src/version.c
index 61e9c0b..6ac2590 100644
--- a/src/version.c
+++ b/src/version.c
@@ -720,6 +720,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    669,
+/**/
     668,
 /**/
     667,