clone: add range for --clone-count

(to set lower bound).

modules/video_splitter/clone.c

@@ -58,6 +58,7 @@ vlc_module_begin ()
     set_subcategory( SUBCAT_VIDEO_SPLITTER )
 
     add_integer( CFG_PREFIX "count", 2, COUNT_TEXT, COUNT_LONGTEXT )
+        change_integer_range( 1, INT_MAX )
     add_module_list(CFG_PREFIX "vout-list", "vout display", NULL,
                     VOUTLIST_TEXT, VOUTLIST_LONGTEXT)
 
@@ -127,8 +128,6 @@ static int Open( vlc_object_t *p_this )
         /* No list was specified. We will use the default vout, and get
          * the number of clones from clone-count */
         p_splitter->i_output = var_CreateGetInteger( p_splitter, CFG_PREFIX "count" );
-        if( p_splitter->i_output <= 0 )
-            p_splitter->i_output = 1;
 
         p_splitter->p_output = calloc( p_splitter->i_output,
                                        sizeof(*p_splitter->p_output) );