set ... classdef filename creates a reading in order to survive rewriting of fhem.conf by autocreate

git-svn-id: svn://svn.code.sf.net/p/fhem/code/trunk@810 2b470e98-0d58-463d-a4d8-8e2adae1ed80

fhem/FHEM/66_ECMD.pm

@@ -526,6 +526,8 @@ ECMD_Set($@)
                 }
         }
 
+        $hash->{READINGS}{$a[1]}{VAL} = "$classname $filename";
+        $hash->{READINGS}{$a[1]}{TIME} = TimeNow();
         return undef;
 }