libupnp: update to 1.14.0

Remove flto as it breaks under GCC10 for some reason.

Signed-off-by: Rosen Penev <rosenp@gmail.com>

libs/libupnp/Makefile

@@ -1,12 +1,12 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=libupnp
-PKG_VERSION:=1.12.1
+PKG_VERSION:=1.14.0
 PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
 PKG_SOURCE_URL:=@SF/pupnp
-PKG_HASH:=fc36642b1848fe5a81296d496291d350ecfc12b85fd0b268478ab230976d4009
+PKG_HASH:=ecb23d4291968c8a7bdd4eb16fc2250dbacc16b354345a13342d67f571d35ceb
 
 PKG_MAINTAINER:=Ted Hess <thess@kitschensync.net>
 PKG_LICENSE:=BSD-3-Clause
@@ -67,9 +67,6 @@ CONFIGURE_ARGS += \
 	--disable-scriptsupport \
 	--disable-postwrite
 
-TARGET_CFLAGS += -flto
-TARGET_LDFLAGS += -flto
-
 define Build/InstallDev
 	$(INSTALL_DIR) $(1)/usr/include
 	$(CP) $(PKG_INSTALL_DIR)/usr/include/upnp $(1)/usr/include/