libmpc: upgrade 1.2.1 -> 1.3.1

Changelog:
============
- Bug fix: It is again possible to include mpc.h without including
  stdio.h.

(From OE-Core rev: 34ea6fedbcfe4876fed0a82a4e0d8dc540a30006)

Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-support/libmpc/libmpc_1.2.1.bb → meta/recipes-support/libmpc/libmpc_1.3.1.bb

@@ -5,7 +5,7 @@ DEPENDS = "gmp mpfr"
 LIC_FILES_CHKSUM = "file://COPYING.LESSER;md5=e6a600fd5e1d9cbde2d983680233ad02"
 SRC_URI = "${GNU_MIRROR}/mpc/mpc-${PV}.tar.gz"
 
-SRC_URI[sha256sum] = "17503d2c395dfcf106b622dc142683c1199431d095367c6aacba6eec30340459"
+SRC_URI[sha256sum] = "ab642492f5cf882b74aa0cb730cd410a81edcdbec895183ce930e706c1c759b8"
 
 S = "${WORKDIR}/mpc-${PV}"
 BBCLASSEXTEND = "native nativesdk"