* Show value of boolean variable options when printing the list for an input.

src/input/input.c

@@ -1980,7 +1980,7 @@ static void ParseOption( input_thread_t *p_input, const char *psz_option )
 
     var_Set( p_input, psz_name, val );
 
-    msg_Dbg( p_input, "set input option: %s to %s", psz_name, psz_value );
+    msg_Dbg( p_input, "set input option: %s to %s", psz_name, psz_value ? psz_value : ( val.b_bool ? "true" : "false") );
 
   cleanup:
     if( psz_name ) free( psz_name );