pugixml: update to 1.11.1

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

libs/pugixml/Makefile

@@ -6,12 +6,12 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=pugixml
-PKG_VERSION:=1.10
-PKG_RELEASE:=2
+PKG_VERSION:=1.11.1
+PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://github.com/zeux/pugixml/releases/download/v$(PKG_VERSION)
-PKG_HASH:=55f399fbb470942410d348584dc953bcaec926415d3462f471ef350f29b5870a
+PKG_HASH:=9dce9f0a3756c5ab84ab7466c99972d030021d81d674f5d38b9e30e9a3ec4922
 
 PKG_MAINTAINER:=
 PKG_LICENSE:=MIT