updated for version 7.3.720
Problem:    Proto files are outdated.
Solution:   Update the newly generated proto files.
diff --git a/src/version.c b/src/version.c
index 232ddbc..6b2919a 100644
--- a/src/version.c
+++ b/src/version.c
@@ -726,6 +726,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    720,
+/**/
     719,
 /**/
     718,