package/gperf: bump to version 3.1

Signed-off-by: Christopher McCrory <chrismcc@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/gperf/gperf.hash

@@ -1,5 +1,7 @@
 # Locally calculated after checking pgp signature
-sha256	767112a204407e62dbc3106647cf839ed544f3cf5d0f0523aaa2508623aad63e	gperf-3.0.4.tar.gz
+# https://ftp.gnu.org/pub/gnu/gperf/gperf-3.1.tar.gz.sig
+# with key 93C08C88471097CD
+sha256	588546b945bba4b70b6a3a616e80b4ab466e3f33024a352fc2198112cdbb3ae2	gperf-3.1.tar.gz
 
 # Locally calculated
 sha256	8ceb4b9ee5adedde47b31e975c1d90c73ad27b6b165a1dcd80c7c545eb65b903	COPYING

package/gperf/gperf.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-GPERF_VERSION = 3.0.4
+GPERF_VERSION = 3.1
 GPERF_SITE = $(BR2_GNU_MIRROR)/gperf
 GPERF_LICENSE = GPL-3.0+
 GPERF_LICENSE_FILES = COPYING