package/libshairplay: bump git snapshot

Signed-off-by: Jörg Krause <jkrause@posteo.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/libshairplay/libshairplay.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-LIBSHAIRPLAY_VERSION = 139d5ef55564514c31f02dd82cef91236c9ff523
+LIBSHAIRPLAY_VERSION = 64d59e3087f829006d091fa0d114efb50972a2bf
 LIBSHAIRPLAY_SITE = $(call github,juhovh,shairplay,$(LIBSHAIRPLAY_VERSION))
 LIBSHAIRPLAY_INSTALL_STAGING = YES
 LIBSHAIRPLAY_AUTORECONF = YES