libarchive: Cleanup build

packages/libarchive/build.sh

@@ -1,11 +1,10 @@
 TERMUX_PKG_HOMEPAGE=http://www.libarchive.org/
 TERMUX_PKG_DESCRIPTION="Multi-format archive and compression library"
 TERMUX_PKG_VERSION=3.1.2
+TERMUX_PKG_BUILD_REVISION=1
 TERMUX_PKG_SRCURL=http://www.libarchive.org/downloads/libarchive-${TERMUX_PKG_VERSION}.tar.gz
 TERMUX_PKG_BUILD_IN_SRC=yes
 TERMUX_PKG_DEPENDS="libbz2, liblzma, libxml2, openssl"
 
-# ac_cv_header_sys_statfs_h=no Needed for api levels >= 21, without-nettle to use openssl
-TERMUX_PKG_EXTRA_CONFIGURE_ARGS="ac_cv_header_sys_statfs_h=no --without-nettle"
-
-CFLAGS+=" -Dstatvfs=statfs -Dfstatvfs=fstatfs"
+# --without-nettle to use openssl instead:
+TERMUX_PKG_EXTRA_CONFIGURE_ARGS="--without-nettle"