fix: remove page number checking in displaying TOC

Former showTOC() method checks the page number in each
entry and only display entry whose page number is greater
than the previous one. However, I think this is too
"clever", we should better leave the TOC untouched to keep
consistent with other pdf readers.

pdf.c

@@ -101,16 +101,17 @@ static int walkTableOfContent(lua_State *L, fz_outline* ol, int *count, int dept
 		lua_pushstring(L, "page");
 		lua_pushnumber(L, ol->dest.ld.gotor.page + 1);
 		lua_settable(L, -3);
+
 		lua_pushstring(L, "depth");
 		lua_pushnumber(L, depth); 
 		lua_settable(L, -3);
-		lua_pushstring(L, "title");
 
+		lua_pushstring(L, "title");
 		lua_pushstring(L, ol->title);
 		lua_settable(L, -3);
 
-		lua_settable(L, -3);
 
+		lua_settable(L, -3);
 		(*count)++;
 		if (ol->down) {
 			walkTableOfContent(L, ol->down, count, depth);

unireader.lua

@@ -678,15 +678,11 @@ function UniReader:showTOC()
 	end
 	local menu_items = {}
 	local filtered_toc = {}
-	local curr_page = -1
 	-- build menu items
 	for _k,_v in ipairs(self.toc) do
-		if(_v.page >= curr_page) then
-			table.insert(menu_items,
-			("        "):rep(_v.depth-1)..self:cleanUpTOCTitle(_v.title))
-			table.insert(filtered_toc,_v.page)
-			curr_page = _v.page
-		end
+		table.insert(menu_items,
+		("        "):rep(_v.depth-1)..self:cleanUpTOCTitle(_v.title))
+		table.insert(filtered_toc,_v.page)
 	end
 	toc_menu = SelectMenu:new{
 		menu_title = "Table of Contents",