RELEASE_NOTES: Record PR number on the entry for PR trusteddomainproj…

…ect#208

RELEASE_NOTES

@@ -89,7 +89,7 @@ release, and a summary of the changes in that release.
 	LIBOPENDKIM: Extend dkim_test_key() to allow testing a ed25519 key,
 		as dkim_test_key2(). For API compatibility, function interface
 		of dkim_test_key() is not changed, but it only calls
-		dkim_test_key2(). Patch from Yasuhito Futatsuki.
+		dkim_test_key2(). Patch from Yasuhito Futatsuki (PR #208).
 	BUILD: Fix function signature of main() in configure. Patch from
 		Michael Orlitzky (PR #171).
 	BUILD: Fix pkgconfig names of Cyrus SASL and OpenLDAP in configure.
@@ -104,7 +104,7 @@ release, and a summary of the changes in that release.
 		openssl 3.0+ compatibility. Patch from Geert Hendrickx.
 		(PR #135)
 	TOOLS: issue #183: On opendkim-testkey, add support for ed25519 keys.
-		Patch from Yasuhito Futatsuki.
+		Patch from Yasuhito Futatsuki (PR #208).
 
 2.10.3		2015/05/12
 	LIBOPENDKIM: Make strict header checking non-destructive.  The last