package/unscd: bump version to 0.53

Version 0.53 has a fix for INVALIDATE and SHUTDOWN requests being
ignored.

Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
Cc: Doug Kehn <rdkehn@yahoo.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/unscd/unscd.hash

@@ -1,2 +1,2 @@
 # Locally computed:
-sha256	4c1f83dcd120469fceef749050cb29fa666fa4666bd308dfe92e933a4c200d55	nscd-0.52.c
+sha256  9078255b2b9c344d9a0c3333ce23dda9d745f158dde0ea2244a8c56ba93f7a40  nscd-0.53.c

package/unscd/unscd.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-UNSCD_VERSION = 0.52
+UNSCD_VERSION = 0.53
 UNSCD_SOURCE = nscd-$(UNSCD_VERSION).c
 UNSCD_SITE = http://busybox.net/~vda/unscd
 UNSCD_LICENSE = GPL-2.0