package/libmicrohttpd: bump to version 0.9.66

See https://lists.gnu.org/archive/html/libmicrohttpd/2019-08/msg00000.html

Signed-off-by: Pierre-Jean Texier <pjtexier@koncepto.io>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit b4da9642c52b4c1fcebdc58970be937f689666cd)
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>

package/libmicrohttpd/libmicrohttpd.hash

@@ -1,3 +1,3 @@
 # Locally calculated
-sha256 e792d8ed5990823a0baadea0adf94365999e702f6f1314ef9c555018dafc350e  libmicrohttpd-0.9.64.tar.gz
+sha256 4e66d4db1574f4912fbd2690d10d227cc9cc56df6a10aa8f4fc2da75cea7ab1b  libmicrohttpd-0.9.66.tar.gz
 sha256 7399547209438c93f9b90297954698773d4846cea44cde5ca982c84c45952a3b  COPYING

package/libmicrohttpd/libmicrohttpd.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-LIBMICROHTTPD_VERSION = 0.9.64
+LIBMICROHTTPD_VERSION = 0.9.66
 LIBMICROHTTPD_SITE = $(BR2_GNU_MIRROR)/libmicrohttpd
 LIBMICROHTTPD_LICENSE_FILES = COPYING
 LIBMICROHTTPD_INSTALL_STAGING = YES