libsasl: Rebuild to get libplain.so (fixes #1582)

Still not sure why libplain.so was left out of the previous build,
but there is now a check that this file is included.

packages/libsasl/build.sh

@@ -1,7 +1,7 @@
 TERMUX_PKG_HOMEPAGE=http://asg.web.cmu.edu/sasl/
 TERMUX_PKG_DESCRIPTION="Cyrus SASL - authentication abstraction library"
 TERMUX_PKG_VERSION=2.1.26
-TERMUX_PKG_REVISION=1
+TERMUX_PKG_REVISION=2
 TERMUX_PKG_SRCURL=ftp://ftp.cyrusimap.org/cyrus-sasl/cyrus-sasl-${TERMUX_PKG_VERSION}.tar.gz
 TERMUX_PKG_SHA256=8fbc5136512b59bb793657f36fadda6359cae3b08f01fd16b3d406f1345b7bc3
 # Seems to be race issues in build (symlink creation)::
@@ -25,3 +25,12 @@ termux_step_post_configure () {
 	gcc $TERMUX_PKG_SRCDIR/include/makemd5.c -o $TERMUX_PKG_BUILDDIR/include/makemd5
 	touch -d "next hour" $TERMUX_PKG_BUILDDIR/include/makemd5
 }
+
+termux_step_post_massage () {
+	for sub in anonymous crammd5 digestmd5 plain; do
+		local base=lib/sasl2/lib${sub}
+		if [ ! -L ${base}.so ] || [ ! -L ${base}.so.3 ] || [ ! -f ${base}.so.3.0.0 ] ; then
+			termux_error_exit "libsasl not packaged with $file"
+		fi
+	done
+}