[console] Check for curses before calling updaters

If curses isn't being used, then there are no entities and thus no
components to run. Fixes a segfault when running a server without curses
enabled.

libs/console/server.c

@@ -146,7 +146,11 @@ enum {
 	sv_cursor	= 8,
 };
 
+#ifdef HAVE_NCURSES
 static int use_curses = 1;
+#else
+static int use_curses = 0;
+#endif
 
 static view_t sv_view;
 static view_t output;
@@ -840,8 +844,10 @@ C_DrawConsole (void)
 {
 	// only the status bar is drawn because the inputline and output views
 	// take care of themselves
+	if (use_curses) {
 		draw_status (status);
 		sv_refresh_windows ();
+	}
 }
 
 static void