updated for version 7.3.823
Problem:    Building with Cygwin: '-lsupc++' is not needed.
Solution:   Remove it. (Ken Takata)
diff --git a/src/version.c b/src/version.c
index 347d1b7..ca9b006 100644
--- a/src/version.c
+++ b/src/version.c
@@ -726,6 +726,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    823,
+/**/
     822,
 /**/
     821,