README.md: credit for old rewritten commit

The credited author for this commit wrote 34ad161546
but I didn't know how to amend commits at the time so I just squashed and they
lost their credit. This is an empty commit just to credit them for it.

conf/dummy-defconf.txt

@@ -4,7 +4,7 @@ variant="";
 ver="";
 verc="";
 date="";
-minsdk=;
+minsdk="";
 
 modprop="id=$modname
 name=