patch 9.0.1037: lalloc(0) error for a class without members

Problem:    lalloc(0) error for a class without members.
Solution:   Don't allocate room for members if there aren't any.
            Don't create the class if there was an error.
diff --git a/src/version.c b/src/version.c
index 9c162fb..a39bdba 100644
--- a/src/version.c
+++ b/src/version.c
@@ -696,6 +696,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1037,
+/**/
     1036,
 /**/
     1035,