patch 7.4.1599
Problem:    No link to Coverity.
Solution:   Add Coverity badge in README.
diff --git a/src/version.c b/src/version.c
index 7379875..af3ff4d 100644
--- a/src/version.c
+++ b/src/version.c
@@ -749,6 +749,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1599,
+/**/
     1598,
 /**/
     1597,