patch 8.0.0418: ASAN logs are disabled

Problem:    ASAN logs are disabled and don't cause a failure.
Solution:   Enable ASAN logs and fail if not empty. (James McCoy,
            closes #1425)
diff --git a/src/version.c b/src/version.c
index 220e00d..6558b01 100644
--- a/src/version.c
+++ b/src/version.c
@@ -765,6 +765,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    418,
+/**/
     417,
 /**/
     416,