mpfr: update to 4.2.2

toolchain/mpfr/Makefile.inc

@@ -2,7 +2,7 @@
 # material, please see the LICENCE file in the top-level directory.
 
 PKG_NAME:=		mpfr
-PKG_VERSION:=		4.2.1
+PKG_VERSION:=		4.2.2
 PKG_RELEASE:=		1
-PKG_HASH:=		277807353a6726978996945af13e52829e3abd7a9a5b7fb2793894e18f1fcbb2
+PKG_HASH:=		b67ba0383ef7e8a8563734e2e889ef5ec3c3b898a01d00fa0a6869ad81c6ce01
 PKG_SITES:=		http://www.mpfr.org/mpfr-current/