TWAIN设置纸张协议1122，将值0看作匹配原始尺寸

sane/sane_option_trans.cpp

@@ -192,6 +192,9 @@ namespace sane_opt_trans
 
 	const char* paper_from_twain(int val)
 	{
+		if (val == 0)				// modified for TWAIN, consider this value as PAPER_STATEMENT. 2023-06-03
+			val = PAPER_STATEMENT;
+
 		VALUE_FROM_TWAIN(g_paper_map, val);
 
 		return NULL;