libbz2: fix hardcoded paths (/bin/rm /tmp)

packages/libbz2/build.sh

@@ -2,7 +2,7 @@ TERMUX_PKG_HOMEPAGE=http://www.bzip.org/
 TERMUX_PKG_DESCRIPTION="BZ2 format compression library"
 TERMUX_PKG_LICENSE="BSD"
 TERMUX_PKG_VERSION=1.0.6
-TERMUX_PKG_REVISION=1
+TERMUX_PKG_REVISION=2
 TERMUX_PKG_SHA256=4bbea71ae30a0e5a8ddcee8da750bc978a479ba11e04498d082fa65c2f8c1ad5
 TERMUX_PKG_SRCURL=https://fossies.org/linux/misc/bzip2-${TERMUX_PKG_VERSION}.tar.xz
 TERMUX_PKG_EXTRA_MAKE_ARGS="PREFIX=$TERMUX_PREFIX"

packages/libbz2/fix-paths.patch

@@ -0,0 +1,21 @@
+diff -uNr bzip2-1.0.6/bzdiff bzip2-1.0.6.mod/bzdiff
+--- bzip2-1.0.6/bzdiff	2007-01-03 04:00:55.000000000 +0200
++++ bzip2-1.0.6.mod/bzdiff	2019-03-01 20:44:12.401418675 +0200
+@@ -37,7 +37,7 @@
+ 	echo "Usage: $prog [${comp}_options] file [file]"
+ 	exit 1
+ fi
+-tmp=`mktemp ${TMPDIR:-/tmp}/bzdiff.XXXXXXXXXX` || {
++tmp=`mktemp ${TMPDIR:-@TERMUX_PREFIX@/tmp}/bzdiff.XXXXXXXXXX` || {
+       echo 'cannot create a temporary file' >&2
+       exit 1
+ }
+@@ -56,7 +56,7 @@
+                         bzip2 -cdfq "$2" > $tmp
+                         bzip2 -cdfq "$1" | $comp $OPTIONS - $tmp
+                         STAT="$?"
+-			/bin/rm -f $tmp;;
++			rm -f $tmp;;
+ 
+                 *)      bzip2 -cdfq "$1" | $comp $OPTIONS - "$2"
+                         STAT="$?";;