Limit the number of URLs to keep and add GUI options for it

src/common/cfgfiles.c

@@ -744,7 +744,7 @@ load_config (void)
 	prefs.input_tray_priv = prefs.input_tray_hilight = 1;
 	prefs.autodccsend = 2;	/* browse mode */
 	prefs.url_grabber = 1;
-	prefs.url_grabber_limit = 0; /* 0 means unlimited for backcompat */
+	prefs.url_grabber_limit = 50; /* 0 means unlimited */
 	prefs.text_search_follow = 1;
 #ifdef WIN32
 	prefs.identd = 1;

src/fe-gtk/setup.c

@@ -489,6 +489,10 @@ static const setting logging_settings[] =
 	{ST_LABEL,	N_("See the strftime manpage for details.")},
 #endif
 
+	{ST_HEADER,	N_("URL Grabber"),0,0,0},
+	{ST_TOGGLE,	N_("Enable URL grabber"), P_OFFINTNL(url_grabber), 0, 0, 2},
+	{ST_NUMBER,	N_("Maximum number of URLs:"), P_OFFINTNL(url_grabber_limit), 0, 0, 9999},
+
 	{ST_END, 0, 0, 0, 0, 0}
 };