updated for version 7.4.139
Problem:    Crash when using :cd in autocommand. (François Ingelrest)
Solution:   Set w_localdir to NULL after freeing it. (Dominique Pelle)
diff --git a/src/version.c b/src/version.c
index 1fda7d5..d8c0123 100644
--- a/src/version.c
+++ b/src/version.c
@@ -739,6 +739,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    139,
+/**/
     138,
 /**/
     137,