openssh: Do not call setres{g,u}id for subprocess

Fixes https://github.com/termux/termux-packages/issues/15632

packages/openssh/build.sh

@@ -3,6 +3,7 @@ TERMUX_PKG_DESCRIPTION="Secure shell for logging into a remote machine"
 TERMUX_PKG_LICENSE="BSD"
 TERMUX_PKG_MAINTAINER="@termux"
 TERMUX_PKG_VERSION=9.2p1
+TERMUX_PKG_REVISION=1
 TERMUX_PKG_SRCURL=https://fastly.cdn.openbsd.org/pub/OpenBSD/OpenSSH/portable/openssh-${TERMUX_PKG_VERSION}.tar.gz
 TERMUX_PKG_SHA256=3f66dbf1655fb45f50e1c56da62ab01218c228807b21338d634ebcdf9d71cf46
 TERMUX_PKG_DEPENDS="krb5, ldns, libandroid-support, libedit, openssh-sftp-server, openssl, termux-auth, zlib"

packages/openssh/no_priv_drop.patch

@@ -0,0 +1,20 @@
+https://github.com/termux/termux-packages/issues/15632
+
+--- a/misc.c
++++ b/misc.c
+@@ -2749,6 +2749,7 @@ subprocess(const char *tag, const char *
+ 			    pw->pw_name, (u_int)pw->pw_gid, strerror(errno));
+ 			_exit(1);
+ 		}
++#ifndef __ANDROID__
+ 		if (setresgid(pw->pw_gid, pw->pw_gid, pw->pw_gid) == -1) {
+ 			error("%s: setresgid %u: %s", tag, (u_int)pw->pw_gid,
+ 			    strerror(errno));
+@@ -2759,6 +2760,7 @@ subprocess(const char *tag, const char *
+ 			    strerror(errno));
+ 			_exit(1);
+ 		}
++#endif
+ 		/* stdin is pointed to /dev/null at this point */
+ 		if ((flags & SSH_SUBPROCESS_STDOUT_DISCARD) != 0 &&
+ 		    dup2(STDIN_FILENO, STDERR_FILENO) == -1) {