Fix FTP and HTTPS proxy markers.
#define WD_PROXY_TYPE_AUTODETECT "autodetect"
#define HTTP_PROXY_MARKER "http="
-#define HTTPS_PROXY_MARKER "http="
-#define FTP_PROXY_MARKER "http="
+#define HTTPS_PROXY_MARKER "https="
+#define FTP_PROXY_MARKER "ftp="
#define SOCKS_PROXY_MARKER "socks="
#define BYPASS_PROXY_MARKER "|bypass="
