patch 7.4.2039

Problem:    The Netbeans integration is not tested.
Solution:   Add a first Netbeans test.

src/version.c

@@ -758,6 +758,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2039,
 /**/
     2038,
 /**/