package/libostree: bump to version 2019.6

Signed-off-by: Marcus Folkesson <marcus.folkesson@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/libostree/libostree.hash

@@ -1,3 +1,3 @@
 # Locally calculated
-sha256 9568156d147865f0f744373288039dbde784c0cf1de37fdd2cacf4e950790875  libostree-2019.5.tar.xz
+sha256 5482b8fc179c6d2861acb176a1c379e4d02f709bffa92e63f5360f65e57219ae  libostree-2019.6.tar.xz
 sha256 b7993225104d90ddd8024fd838faf300bea5e83d91203eab98e29512acebd69c  COPYING

package/libostree/libostree.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-LIBOSTREE_VERSION_MAJOR = 2019.5
+LIBOSTREE_VERSION_MAJOR = 2019.6
 LIBOSTREE_VERSION= $(LIBOSTREE_VERSION_MAJOR)
 LIBOSTREE_SOURCE = libostree-$(LIBOSTREE_VERSION).tar.xz
 LIBOSTREE_SITE = https://github.com/ostreedev/ostree/releases/download/v$(LIBOSTREE_VERSION_MAJOR)