updated for version 7.4.538
Problem:    Tests fail with small features plus Python.
Solution:   Disallow weird combination of options.  Do not set "fdm" when
            folding is disabled.
diff --git a/src/version.c b/src/version.c
index 1f7000f..9545d00 100644
--- a/src/version.c
+++ b/src/version.c
@@ -742,6 +742,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    538,
+/**/
     537,
 /**/
     536,