isc-dhcp: fix typeof regex for IP address pattern

Missing backslash in "\d+" for last digit of dotted quad.

Signed-off-by: Philip Prindeville <philipp@redfish-solutions.com>

net/isc-dhcp/Makefile

@@ -10,7 +10,7 @@ include $(TOPDIR)/rules.mk
 PKG_NAME:=isc-dhcp
 UPSTREAM_NAME:=dhcp
 PKG_VERSION:=4.4.0
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_LICENSE:=BSD-3-Clause
 PKG_LICENSE_FILES:=LICENSE

net/isc-dhcp/files/dhcpd.init

@@ -122,7 +122,7 @@ static_hosts() {
 
 typeof() {
 	echo "$1" | awk '
-/^\d+\.\d+\.\d+\.d+$/		{ print "ip\n"; next; }
+/^\d+\.\d+\.\d+\.\d+$/		{ print "ip\n"; next; }
 /^(true|false)$/		{ print "bool\n"; next; }
 /^\d+$/				{ print "integer\n"; next; }
 /^"[^"]*"$/			{ print "string\n"; next; }