odt2txt: fix package for on-device builds

packages/odt2txt/Makefile.patch

@@ -0,0 +1,12 @@
+diff -uNr odt2txt-0.5/Makefile odt2txt-0.5.mod/Makefile
+--- odt2txt-0.5/Makefile	2014-11-18 19:10:08.000000000 +0200
++++ odt2txt-0.5.mod/Makefile	2019-08-13 21:39:23.220216345 +0300
+@@ -14,7 +14,7 @@
+ CFLAGS += -DNO_ICONV
+ endif
+ 
+-LIBS = -lz
++LIBS = -liconv -lz
+ ZIP_OBJS =
+ ifdef HAVE_LIBZIP
+ 	CFLAGS += -DHAVE_LIBZIP

packages/odt2txt/build.sh

@@ -3,13 +3,9 @@ TERMUX_PKG_DESCRIPTION="Simple converter from OpenDocument Text to plain text"
 TERMUX_PKG_LICENSE="GPL-2.0"
 TERMUX_PKG_MAINTAINER="Leonid Plyushch <leonid.plyushch@gmail.com>"
 TERMUX_PKG_VERSION=0.5
-TERMUX_PKG_REVISION=3
+TERMUX_PKG_REVISION=4
 TERMUX_PKG_SRCURL=https://github.com/dstosberg/odt2txt/archive/v$TERMUX_PKG_VERSION.tar.gz
 TERMUX_PKG_SHA256=23a889109ca9087a719c638758f14cc3b867a5dcf30a6c90bf6a0985073556dd
 TERMUX_PKG_DEPENDS="libiconv, libzip, zlib"
 TERMUX_PKG_BUILD_IN_SRC=true
-TERMUX_PKG_EXTRA_MAKE_ARGS="DESTDIR=$TERMUX_PREFIX"
-
-termux_step_configure() {
-	LDFLAGS+=" -liconv"
-}
+TERMUX_PKG_EXTRA_MAKE_ARGS="HAVE_LIBZIP=1 DESTDIR=$TERMUX_PREFIX"