patch 8.2.0003: Build file dependencies are incomplete

Problem:    Build file dependencies are incomplete.
Solution:   Fix the dependencies. (Ken Takata, closes #5356)
diff --git a/src/version.c b/src/version.c
index b71928a..be3b669 100644
--- a/src/version.c
+++ b/src/version.c
@@ -747,6 +747,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4720,
+/**/
     4719,
 /**/
     4718,