Preserve file dates in install

Author: tlhackque

Makefile

@@ -18,7 +18,7 @@ confdir         := $(shell if [ -f "/etc/default/ipblock.conf" ]; then echo "/et
 	elif [ -f "/etc/sysconfig/ipblock.conf" ] || ! [ -d "/etc/default" ];       \
 	then echo "/etc/sysconfig"; \
 	else echo "/etc/default";  fi)
-INSTALL         := install
+INSTALL         := install -p
 INSTALL_PROGRAM := $(INSTALL)
 INSTALL_DATA    := $(INSTALL) -m 644
 

ipblock

@@ -8,7 +8,7 @@
 VERSION='$Id$'
 
 # shellcheck disable=SC2034 # used by Makefile
-RELEASE='1.7.0'
+RELEASE='1.7.1'
 
 SELF="$(basename "$0")"
 

ipblock.1

@@ -1,5 +1,5 @@
 .\" -*- mode: troff; coding: utf-8 -*-
-.TH "ipblock" "8" "18-Jan-2023"
+.TH "ipblock" "8" "19-Jan-2023"
 .SH
 IPBLOCK
 .LP