Patch for lib32-libgcrypt15 PKGBUILD to correctly build as 32 bit

lib32-libgcrypt15-fix-build.patch

diff --git a/PKGBUILD b/PKGBUILD
index a43ce0e..2df703b 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -17,20 +17,16 @@ sha512sums=('8fced63f1bb2f3b60d456df168479ebe77acf2a8963f5dc831a25e839e0930148e2
             'SKIP')
 validpgpkeys=('D8692123C4065DEA5E0F3AB5249B39D24F25E3B6') # Werner Koch <https://www.gnupg.org/signature_key.html>
 
-prepare() {
-  cd libgcrypt-${pkgver}
-  sed 's:path="amd64":path="i586 i386":' -i mpi/config.links
-}
-
 build() {
   # Modify environment to generate 32-bit ELF. Respects flags defined in makepkg.conf
-  export CC='gcc -m32'
-  export CXX='g++ -m32'
+  export CFLAGS="-m32 ${CFLAGS}"
+  export CXXFLAGS="-m32 ${CXXFLAGS}"
   export LDFLAGS+=' -m32'
-  export PKG_CONFIG_LIBDIR='/usr/lib32/pkgconfig'
+  export PKG_CONFIG_PATH='/usr/lib32/pkgconfig'
 
   cd libgcrypt-${pkgver}
   ./configure \
+    --build=i686-pc-linux-gnu \
     --prefix='/usr' \
     --libdir='/usr/lib32' \
     --enable-shared \