DEVELOPERS: add mksh/ruby to Waldemar Brodkorb

Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
diff --git a/DEVELOPERS b/DEVELOPERS
index cd1a982..b245c1c 100644
--- a/DEVELOPERS
+++ b/DEVELOPERS
@@ -2685,6 +2685,8 @@
 F:	package/ngrep/
 
 N:	Waldemar Brodkorb <wbx@openadk.org>
+F:	package/mksh/
+F:	package/ruby/
 F:	package/uclibc/
 F:	package/uclibc-ng-test/