package/libmicrohttpd: bump version to 0.9.68

Changelog of this bugfix release:
https://lists.gnu.org/archive/html/libmicrohttpd/2019-10/msg00041.html

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/libmicrohttpd/libmicrohttpd.hash

@@ -1,3 +1,3 @@
 # Locally calculated
-sha256 7e1f852723d099d4827d7ebde4d02dd00fd8da62149526fdb9fae058c5a60495  libmicrohttpd-0.9.67.tar.gz
+sha256 c5716e2a2899abc9e16c8fa7a1a58da88f81aca96a0b7e68a5d4d89e21610b61  libmicrohttpd-0.9.68.tar.gz
 sha256 7399547209438c93f9b90297954698773d4846cea44cde5ca982c84c45952a3b  COPYING

package/libmicrohttpd/libmicrohttpd.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-LIBMICROHTTPD_VERSION = 0.9.67
+LIBMICROHTTPD_VERSION = 0.9.68
 LIBMICROHTTPD_SITE = $(BR2_GNU_MIRROR)/libmicrohttpd
 LIBMICROHTTPD_LICENSE_FILES = COPYING
 LIBMICROHTTPD_INSTALL_STAGING = YES