testing/pcc: add multiarch patch from gentoo

Should fix build on x86.

testing/pcc/APKBUILD

@@ -2,17 +2,18 @@
 # Maintainer: Sören Tempel <soeren+alpine@soeren-tempel.net>
 pkgname=pcc
 pkgver=1.1.0
-pkgrel=0
+pkgrel=1
 pkgdesc="The portable C compiler."
 url="http://pcc.ludd.ltu.se/"
 arch="x86 x86_64"
 license="BSD"
-depends="pcc-libs-dev bison"
+depends="pcc-libs-dev"
 depends_dev=""
 makedepends="bison flex"
 install=""
 subpackages="$pkgname-doc"
 source="ftp://pcc.ludd.ltu.se/pub/$pkgname-releases/$pkgname-$pkgver.tgz
+	multiarch.patch
 	musl-fixes.patch"
 
 builddir="$srcdir/"$pkgname-$pkgver
@@ -51,8 +52,11 @@ package() {
 }
 
 md5sums="1c0f22440753075d64f9f2c6ed0e8278  pcc-1.1.0.tgz
+25149154030d2eefd3f5571674943d16  multiarch.patch
 7991640873523a3773721c9236728a2c  musl-fixes.patch"
 sha256sums="d9e3fed84c767dcddefb6b1f854d5da8921f3f65d8bd02997743412f41474d64  pcc-1.1.0.tgz
+46c7065937175e91eb9ce6d41767b7d5d69554e191049389f3e36b6fee0a29e1  multiarch.patch
 4d82536428dd42912ff9af025a95e405104b1c4491aab571189f66ab0dfa9104  musl-fixes.patch"
 sha512sums="5bd2b59fbb323016d215023ce77793ae66766e8e8192b44bf0707ee444658022e1645669c13eea8c81bc55c161eea3b0271d6b3098b8a7d51ce67eb86c7527b4  pcc-1.1.0.tgz
+ef401677c27beb83005dae25151ec5c31bea04056733971ddaba2632868c024043e3faafbef16fe6b74713c96a54aa68681428dc11a2e3da7bd328376e72ee66  multiarch.patch
 0226a3f9d710840d7f710bc033d7eae6e5d5c8137eca6fe4147467066cb9fecf6acd03dc92f1559f4509eab84b5cc0e6c9533f2114903603644f728a411dc023  musl-fixes.patch"

testing/pcc/multiarch.patch

+diff -upr pcc-1.1.0.orig/cc/cc/cc.c pcc-1.1.0/cc/cc/cc.c
+--- pcc-1.1.0.orig/cc/cc/cc.c	2016-09-16 20:38:14.932292071 +0200
++++ pcc-1.1.0/cc/cc/cc.c	2016-09-16 20:39:17.022094921 +0200
+@@ -206,7 +206,7 @@ char *cppmdadd[] = CPPMDADD;
+ #define PCCLIBDIR	NULL
+ #endif
+ #ifndef DEFLIBDIRS	/* default library search paths */
+-#ifdef MULTIARCH_PATH
++#ifndef MULTIARCH_PATH
+ #define DEFLIBDIRS	{ "/usr/lib/", 0 }
+ #else
+ #define DEFLIBDIRS	{ "/usr/lib/", "/usr/lib/" MULTIARCH_PATH "/", 0 }