main/gcc: upgrade to 5.3.0

This is a bug fix release

main/gcc/APKBUILD

 # Maintainer: Natanael Copa <ncopa@alpinelinux.org>
 pkgname=gcc
-pkgver=5.2.0
+pkgver=5.3.0
 _cross=""
 [ "$BOOTSTRAP" = "noheaders" ] && pkgname="gcc-pass1"
 [ "$BOOTSTRAP" = "nolibc" ] && pkgname="gcc-pass2"
@@ -638,7 +638,7 @@ gnat() {
 	mv "$pkgdir"/usr/bin/*gnat* "$subpkgdir"/usr/bin/ || return 1
 }
 
-md5sums="a51bcfeb3da7dd4c623e27207ed43467  gcc-5.2.0.tar.bz2
+md5sums="c9616fd448f980259c31de613e575719  gcc-5.3.0.tar.bz2
 d7cd6a27c8801e66cbaa964a039ecfdb  ecj-latest.jar
 f4be3dc5dcbe42df9274774ddb908d4a  005_all_gcc-spec-env.patch
 56147d4efc0a64dd193f5d211d5b9a61  010_all_default-fortify-source.patch
@@ -689,7 +689,7 @@ a2f435d81e872a73a8b44a4581832af0  vanilla.specs
 17a31b8580de9dd9c06a1ed96886d538  hardenednossp.specs
 33ce2d221828a2d03978da52ba609524  hardenednopie.specs
 5c431710b72c6ec16ed21bcca83d9f87  hardenednopiessp.specs"
-sha256sums="5f835b04b5f7dd4f4d2dc96190ec1621b8d89f2dc6f638f9f8bc1b1014ba8cad  gcc-5.2.0.tar.bz2
+sha256sums="b84f5592e9218b73dbae612b5253035a7b34a9a1f7688d2e1bfaaf7267d5c4db  gcc-5.3.0.tar.bz2
 98fd128f1d374d9e42fd9d4836bdd249c6d511ebc6c0df17fbc1b9df96c3d781  ecj-latest.jar
 aac72f6c1940153084d5ffca8040db6e2eb9e75f15915b8f3f695bb0cd44716b  005_all_gcc-spec-env.patch
 9f354a85bb1914b9a9cbd82e2a48fbd3aca384b801285b27512eb2b238c48635  010_all_default-fortify-source.patch
@@ -740,7 +740,7 @@ d6c7fc1820a4fa285297c299c255fe2f19ce1695486f20edd098252a97545e6a  ada-shared.pat
 50a46bb1c4d209ce687d13e74cc9e4e0b87cef4a8165d22fb9be243c9cf08374  hardenednossp.specs
 8eccfcf282fb54aadede7c23a8b5b843c0a63a55485e74d4332ab49025d38e78  hardenednopie.specs
 af85685ff501f5e0eaaa394628365425486dafe4780f0f683a4536ab60173cdf  hardenednopiessp.specs"
-sha512sums="844120349ec04465dcea52d8ec747f1cbbc9d76a39fe3d8ef5e6b93614e63d718862d60d0a1c1cbf59ffc7815562287d0a2e536a6b220cebcd0b8de4ba35e715  gcc-5.2.0.tar.bz2
+sha512sums="d619847383405fd389f5a2d7225f97fedb01f81478dbb8339047ccba7561a5c20045ab500a8744bffd19ea51892ce09fc37f862f2cfcb42de0f0f8cd8f8da37a  gcc-5.3.0.tar.bz2
 d4e1bf7538ace56e3d69fa91da5bbd16c272923b4de0a9d8dee23ea2b75f9f38c603de72fc4061df49285c450b63f3df211cee5270e9fffc5447445d1a9c9e4e  ecj-latest.jar
 486ddf9293f11db70fa277196ba95a3a5a45c181c99d6460ef6b2ad7396a1e75533ef29d5c47f30319acf4fb731a40f312ba1c32105b23ee905a78b017e7aaf0  005_all_gcc-spec-env.patch
 5c95afffbd6dc49c252fd3723142d240067470f4c347237c38d37cafe30f6251cd9bebad62d54b75ceacdccab3a2d806a1d17ad94122ce6a84229e099bac4379  010_all_default-fortify-source.patch