libsndfile1: whitelist CVE-2018-13419

This is a memory leak that nobody else can replicate and has been rejected by
upstream.

(From OE-Core rev: 583990fc583a96dbf0655bff1630b2ebe199021d)

Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-multimedia/libsndfile/libsndfile1_1.0.28.bb

@@ -38,3 +38,6 @@ do_configure_prepend_arm() {
 	export ac_cv_sys_file_offset_bits=64
 }
 
+# This can't be replicated and is just a memory leak.
+# https://github.com/erikd/libsndfile/issues/398
+CVE_CHECK_WHITELIST += "CVE-2018-13419"