Fix printing of available algorithms in engine.

Signed-off-by: Jean-Paul Saman <jean-paul.saman@m2x.nl>

modules/codec/davinci/davinci.c

@@ -226,10 +226,10 @@ void __PrintAvailableAlgorithms( vlc_object_t *p_this, const char *psz_engine )
         const char **psz_type = (const char **)info.typeTab;
         i++;
         msg_Dbg( p_this, "    %d: %s (%s)", i, info.name, info.isLocal?"local":"remote" );
-        if( *psz_type && **psz_type )
+        if( *psz_type )
         {
             msg_Dbg( p_this, "        Inheritance hierarchy:" );
-            for( ; !*psz_type; psz_type++ )
+            for( ; *psz_type; psz_type++ )
                 msg_Dbg( p_this, "            %s", *psz_type );
         }
     }