lftp: fix for "%n not allowed on Android"

packages/lftp/build.sh

@@ -2,7 +2,7 @@ TERMUX_PKG_HOMEPAGE=https://lftp.tech/
 TERMUX_PKG_DESCRIPTION="FTP/HTTP client and file transfer program"
 TERMUX_PKG_LICENSE="GPL-3.0"
 TERMUX_PKG_VERSION=4.8.4
-TERMUX_PKG_REVISION=7
+TERMUX_PKG_REVISION=8
 TERMUX_PKG_SRCURL=https://lftp.tech/ftp/lftp-${TERMUX_PKG_VERSION}.tar.xz
 TERMUX_PKG_SHA256=4ebc271e9e5cea84a683375a0f7e91086e5dac90c5d51bb3f169f75386107a62
 TERMUX_PKG_DEPENDS="libandroid-support, libc++, libexpat, libiconv, openssl, readline, libidn2, zlib"

packages/lftp/lib-vasnprintf.c.patch

@@ -0,0 +1,12 @@
+diff -uNr lftp-4.8.4/lib/vasnprintf.c lftp-4.8.4.mod/lib/vasnprintf.c
+--- lftp-4.8.4/lib/vasnprintf.c	2018-07-31 14:04:57.000000000 +0300
++++ lftp-4.8.4.mod/lib/vasnprintf.c	2019-10-27 14:08:10.514891328 +0200
+@@ -4872,7 +4872,7 @@
+ # if ! (((__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 3))        \
+          && !defined __UCLIBC__)                                            \
+         || (defined __APPLE__ && defined __MACH__)                          \
+-        || (defined _WIN32 && ! defined __CYGWIN__))
++        || (defined _WIN32 && ! defined __CYGWIN__)) || !defined(__ANDROID__)
+                 fbp[1] = '%';
+                 fbp[2] = 'n';
+                 fbp[3] = '\0';