uClibc-ng: update to 1.0.21

Signed-off-by: Etienne Haarsma <[email protected]>

toolchain/uClibc/Config.version

@@ -1,7 +1,7 @@
 config UCLIBC_VERSION
 	string
 	depends on USE_UCLIBC
-	default "1.0.14"
+	default "1.0.21"
 
 config UCLIBC_VERSION_NG
 	bool

toolchain/uClibc/common.mk

@@ -16,7 +16,7 @@ CONFIG_DIR:=$(PATH_PREFIX)/config
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
 LIBC_SO_VERSION:=$(PKG_VERSION)
 
-PKG_HASH:=3c63d9f8c8b98b65fa5c4040d1c8ab1b36e99a16e1093810cedad51ac15c9a9e
+PKG_HASH:=6e99ebebe8a46ddcd26615828d51b62dbf580568aa58bf5f495da37eba0c872d
 
 HOST_BUILD_DIR:=$(BUILD_DIR_TOOLCHAIN)/$(PKG_NAME)-$(PKG_VERSION)