updated for version 7.3.392
Problem:    When setting 'undofile' while the file is already loaded but
            unchanged, try reading the undo file. (Andy Wokula)
Solution:   Compute a checksum of the text when 'undofile' is set. (Christian
            Brabandt)
diff --git a/src/version.c b/src/version.c
index d8cf62c..fea4277 100644
--- a/src/version.c
+++ b/src/version.c
@@ -715,6 +715,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    392,
+/**/
     391,
 /**/
     390,