patch 8.2.0497: too verbose output from the asan build in Travis

Problem:    Too verbose output from the asan build in Travis.
Solution:   Filter out suppression messages. (Ozaki Kiichi, closes #5874)
diff --git a/src/version.c b/src/version.c
index 8973af7..9ceed5a 100644
--- a/src/version.c
+++ b/src/version.c
@@ -739,6 +739,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    497,
+/**/
     496,
 /**/
     495,