patch 7.4.1596
Problem:    Memory leak. (Coverity)
Solution:   Free the pattern.
diff --git a/src/version.c b/src/version.c
index bc817d7..081d14c 100644
--- a/src/version.c
+++ b/src/version.c
@@ -749,6 +749,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1596,
+/**/
     1595,
 /**/
     1594,