package/libgpiod: bump version to 1.4.5

* add a comment about the kernel header dependencies when bumping
versions
* set url to kernel.org as github is unmaintained and outdated
* use two spaces in hash-file

Signed-off-by: Michael Nosthoff <buildroot@heine.tech>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/libgpiod/Config.in

@@ -5,7 +5,7 @@ config BR2_PACKAGE_LIBGPIOD
 	  This is a C library that abstracts the GPIO character
 	  device operations on linux.
 
-	  https://github.com/brgl/libgpiod
+	  https://git.kernel.org/pub/scm/libs/libgpiod/libgpiod.git/
 
 if BR2_PACKAGE_LIBGPIOD
 

package/libgpiod/libgpiod.hash

@@ -1,4 +1,4 @@
 # From https://www.kernel.org/pub/software/libs/libgpiod/sha256sums.asc
-sha256 21ae8fd1f8dafc2eb2ba50e652390cf533d21351419a7426255895cb52e21b1c  libgpiod-1.4.1.tar.xz
+sha256  a041b06907c956dd1c77836cccf4d392af29b9fe09c8ad18449a6da707b5ba2d  libgpiod-1.4.5.tar.xz
 # Hash for license file
-sha256 ce64d5f7b49ea6d80fdb6d4cdee6839d1a94274f7493dc797c3b55b65ec8e9ed  COPYING
+sha256  ce64d5f7b49ea6d80fdb6d4cdee6839d1a94274f7493dc797c3b55b65ec8e9ed  COPYING

package/libgpiod/libgpiod.mk

@@ -4,7 +4,9 @@
 #
 ################################################################################
 
-LIBGPIOD_VERSION = 1.4.1
+# be careful when bumping versions, newer branches (e.g. >= 1.6)
+# depend on pretty recent kernel headers
+LIBGPIOD_VERSION = 1.4.5
 LIBGPIOD_SOURCE = libgpiod-$(LIBGPIOD_VERSION).tar.xz
 LIBGPIOD_SITE = https://www.kernel.org/pub/software/libs/libgpiod
 LIBGPIOD_LICENSE = LGPL-2.1+