libuhttpd: Update to 2.2.1

Signed-off-by: Jianhui Zhao <jianhuizhao329@gmail.com>

libs/libuhttpd/Makefile

@@ -8,13 +8,13 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=libuhttpd
-PKG_VERSION:=2.1.2
+PKG_VERSION:=2.2.1
 PKG_RELEASE:=2
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_VERSION:=v$(PKG_VERSION)
 PKG_SOURCE_URL=https://github.com/zhaojh329/libuhttpd.git
-PKG_MIRROR_HASH:=0f80b643ca4fa652df1a4510384e941e045b1ad8124fa4c8128a56861189b325
+PKG_MIRROR_HASH:=e6b3d540a0d32a77739ab6b028ded46fbf4997d241fabb578ef1f212581eea33
 CMAKE_INSTALL:=1
 
 PKG_BUILD_DIR=$(BUILD_DIR)/$(PKG_NAME)-$(BUILD_VARIANT)/$(PKG_SOURCE_SUBDIR)