dhcp: bump to version 4.1-ESV-R12

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/dhcp/dhcp.hash

@@ -1,2 +1,2 @@
-# Verified from ftp://ftp.isc.org/isc/dhcp/4.1-ESV-R11/dhcp-4.1-ESV-R11.tar.gz.sha256.asc
-sha256	b643d11a50fba66bb1c118f47642eb3fac1e26989d3c0bf8a2471e83c06ac485	dhcp-4.1-ESV-R11.tar.gz
+# Verified from ftp://ftp.isc.org/isc/dhcp/4.1-ESV-R12/dhcp-4.1-ESV-R12.tar.gz.sha256.asc
+sha256	53265d1bf5e2073379df03c73a1a34d38a904307609c0f9cb77223912e753e5f	dhcp-4.1-ESV-R12.tar.gz

package/dhcp/dhcp.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-DHCP_VERSION = 4.1-ESV-R11
+DHCP_VERSION = 4.1-ESV-R12
 DHCP_SITE = http://ftp.isc.org/isc/dhcp/$(DHCP_VERSION)
 DHCP_INSTALL_STAGING = YES
 DHCP_LICENSE = ISC