package/pigpio: bump to version 68

Signed-off-by: Grzegorz Blach <grzegorz@blach.pl>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/pigpio/pigpio.hash

@@ -1,3 +1,3 @@
 # Locally calculated
-sha256	4255310dd11ed81035b60711becad081a1eaad2905f704e3eb84e692ca7e4c3d  pigpio-V67.tar.gz
+sha256	ec980f5e672e8e9395b801fecec3fbbbc5c04182b16ee72eb9ca25a453e38062  pigpio-V68.tar.gz
 sha256	6a90b88421a0d9b090e121daa11b3c6d55eed5eeb3281a2fcc454d6a28b5547c  UNLICENCE

package/pigpio/pigpio.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-PIGPIO_VERSION = V67
+PIGPIO_VERSION = V68
 PIGPIO_SITE = $(call github,joan2937,pigpio,$(PIGPIO_VERSION))
 PIGPIO_LICENSE = Unlicense
 PIGPIO_LICENSE_FILES = UNLICENCE