package/libgit2: bump version to 1.8.3

Fixes a crash when using the libhttp-parser dependency, which is the
configuration that we use in buildroot.

Signed-off-by: Nicolas Cavallari <nicolas.cavallari@green-communications.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit 21a72fb275aea38c1d82ce7b3b7f10e8cf4bb83d)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/libgit2/libgit2.hash

@@ -1,3 +1,3 @@
 # Locally calculated
-sha256  184699f0d9773f96eeeb5cb245ba2304400f5b74671f313240410f594c566a28  libgit2-1.8.2.tar.gz
+sha256  868810a5508d41dd7033d41bdc55312561f3f916d64f5b7be92bc1ff4dcae02a  libgit2-1.8.3.tar.gz
 sha256  e3712465634e97cfd850822a4eb5ac7d2f8a10f753189366d5a2060046f28288  COPYING

package/libgit2/libgit2.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-LIBGIT2_VERSION = 1.8.2
+LIBGIT2_VERSION = 1.8.3
 LIBGIT2_SITE = $(call github,libgit2,libgit2,v$(LIBGIT2_VERSION))
 LIBGIT2_LICENSE = \
 	GPL-2.0 with linking exception, \