package/bison: bump version to 3.6.4

Also separate the fields in the hash file by two spaces.

Signed-off-by: Sergio Prado <sergio.prado@e-labworks.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/bison/bison.hash

@@ -1,4 +1,4 @@
 # Locally calculated after checking pgp signature
-sha256	27d05534699735dc69e86add5b808d6cb35900ad3fd63fa82e3eb644336abfa0	bison-3.4.2.tar.xz
+sha256  8b13473b31ca7fcf65e5e8a74224368ffd5df19275602a9c9567ba393f18577d  bison-3.6.4.tar.xz
 # License files, locally calculated
-sha256	8ceb4b9ee5adedde47b31e975c1d90c73ad27b6b165a1dcd80c7c545eb65b903	COPYING
+sha256  8ceb4b9ee5adedde47b31e975c1d90c73ad27b6b165a1dcd80c7c545eb65b903  COPYING

package/bison/bison.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-BISON_VERSION = 3.4.2
+BISON_VERSION = 3.6.4
 BISON_SOURCE = bison-$(BISON_VERSION).tar.xz
 BISON_SITE = $(BR2_GNU_MIRROR)/bison
 BISON_LICENSE = GPL-3.0+