new package: rinetd (#4993)

packages/rinetd/Makefile.patch

@@ -0,0 +1,19 @@
+diff -uNr rinetd-0973bd2d1c187da9706fd83c8aa68fabc1775a31/Makefile rinetd-0973bd2d1c187da9706fd83c8aa68fabc1775a31.mod/Makefile
+--- rinetd-0973bd2d1c187da9706fd83c8aa68fabc1775a31/Makefile	2019-10-22 14:45:57.000000000 +0300
++++ rinetd-0973bd2d1c187da9706fd83c8aa68fabc1775a31.mod/Makefile	2020-02-29 14:02:04.947085665 +0200
+@@ -1,9 +1,10 @@
+-CFLAGS=-DLINUX -g
++CC?=gcc
++CFLAGS+=-DLINUX -g
++PREFIX?=/usr/local
+ 
+ rinetd: rinetd.o match.o
+-	gcc rinetd.o match.o -o rinetd
++	$(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) rinetd.o match.o -o rinetd
+ 
+ install: rinetd
+-	install -m 700 rinetd /usr/sbin
+-	install -m 644 rinetd.8 /usr/man/man8
+-
++	install -Dm 755 rinetd $(PREFIX)/bin/rinetd
++	install -Dm 644 rinetd.8 $(PREFIX)/share/man/man8/rinetd.8

packages/rinetd/build.sh

@@ -0,0 +1,8 @@
+TERMUX_PKG_HOMEPAGE=https://github.com/boutell/rinetd
+TERMUX_PKG_DESCRIPTION="A user-mode TCP port redirection server"
+TERMUX_PKG_LICENSE="GPL-2.0"
+_COMMIT=0973bd2d1c187da9706fd83c8aa68fabc1775a31
+TERMUX_PKG_VERSION=2019.10.22-${_COMMIT:0:8}
+TERMUX_PKG_SRCURL=https://github.com/boutell/rinetd/archive/${_COMMIT}.tar.gz
+TERMUX_PKG_SHA256=66d04c1385b8308e423f388678b8b9236e0b036a1d5dcce758d7b777a554b818
+TERMUX_PKG_BUILD_IN_SRC=true

packages/rinetd/rinetd.c.patch

@@ -0,0 +1,12 @@
+diff -uNr rinetd-0973bd2d1c187da9706fd83c8aa68fabc1775a31/rinetd.c rinetd-0973bd2d1c187da9706fd83c8aa68fabc1775a31.mod/rinetd.c
+--- rinetd-0973bd2d1c187da9706fd83c8aa68fabc1775a31/rinetd.c	2019-10-22 14:45:57.000000000 +0300
++++ rinetd-0973bd2d1c187da9706fd83c8aa68fabc1775a31.mod/rinetd.c	2020-02-29 14:05:14.328184024 +0200
+@@ -214,7 +214,7 @@
+ };
+ 
+ RinetdOptions options = {
+-	"/etc/rinetd.conf"
++	"@TERMUX_PREFIX@/etc/rinetd.conf"
+ };
+ 
+ int readArgs (int argc,