alpine: update to 2.21 (#961)

[termux-packages] / disabled-packages / alpine / configure.ac.patch

--- ../cache/alpine-2.21/configure.ac	2017-02-06 00:06:22.491217965 +0000
+++ ./configure.ac	2017-04-25 12:00:31.923278306 +0000
@@ -1122,6 +1122,14 @@
         ])
     fi
     ;;
+    *-*-*-android*)
+    alpine_SSLDIR="/data/data/com.termux/files/usr/etc/tls"
+    alpine_SSLCERTS="$alpine_SSLDIR/certs"
+    alpine_SSLKEYS="$alpine_SSLDIR/private"
+    alpine_SSLINCLUDE="/data/data/com.termux/files/usr/include/openssl"
+    alpine_SSLLIB="/data/data/com.termux/files/usr/lib"
+    alpine_path_delim="/"
+	 ;;
   *-apple-darwin*)
     systype="OSX"
     alpine_path_delim="/"