libwebsockets: bump to version 2.1.0

Fixes:
    http://autobuild.buildroot.net/results/d88/d88889ba30444e73cfb12ae1357db25ff6a3a4fb/

Signed-off-by: Danomi Manchego <danomimanchego123@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/libwebsockets/libwebsockets.hash

@@ -1,2 +1,2 @@
 # Locally computed:
-sha256  43865604debd06686ac4d8d0783976c4e10dd519ccd5c94e1b53878ec6178a59  libwebsockets-v2.0.2.tar.gz
+sha256  bcc96aaa609daae4d3f7ab1ee480126709ef4f6a8bf9c85de40aae48e38cce66  libwebsockets-v2.1.0.tar.gz

package/libwebsockets/libwebsockets.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-LIBWEBSOCKETS_VERSION = v2.0.2
+LIBWEBSOCKETS_VERSION = v2.1.0
 LIBWEBSOCKETS_SITE = $(call github,warmcat,libwebsockets,$(LIBWEBSOCKETS_VERSION))
 LIBWEBSOCKETS_LICENSE = LGPLv2.1 with exceptions
 LIBWEBSOCKETS_LICENSE_FILES = LICENSE