tweaks: express an 'if' more concisely, and add two blank lines

The calls of wnoutrefresh() after those new blank lines are not needed
for ncurses to show the cursor in the right place, but are logically
needed because things have been written to the screen in the preceding
code -- although nano seems to work correctly also without those calls.

src/prompt.c

@@ -392,6 +392,7 @@ void draw_the_promptbar(void)
 
 	/* Place the cursor at the right spot. */
 	wmove(footwin, 0, column - the_page);
+
 	wnoutrefresh(footwin);
 }
 

src/winio.c

@@ -3420,10 +3420,7 @@ void edit_refresh(void)
 	line = openfile->edittop;
 
 	while (row < editwinrows && line != NULL) {
-		if (line == openfile->current)
-			row += update_line(line, openfile->current_x);
-		else
-			row += update_line(line, 0);
+		row += update_line(line, (line == openfile->current) ? openfile->current_x : 0);
 		line = line->next;
 	}
 
@@ -3441,6 +3438,7 @@ void edit_refresh(void)
 #endif
 
 	place_the_cursor();
+
 	wnoutrefresh(midwin);
 
 	refresh_needed = FALSE;