Add '64' suffix back to extrapkg

This was accidentally scrubbed, breaking 64bit uploads

Signed-off-by: Aaron Griffin <aaronmgriffin@gmail.com>

extrapkg

@@ -20,6 +20,16 @@ if [ ! -f PKGBUILD ]; then
     exit 1
 fi
 
+# define staging areas based on architecture
+if [ "$CARCH" = "i686" ]; then
+    suffix=''
+elif [ "$CARCH" = "x86_64" ]; then
+    suffix='64'
+else
+    echo "CARCH must be set to a recognized value!"
+    exit 1
+fi
+
 source PKGBUILD
 pkgfile=${pkgname}-${pkgver}-${pkgrel}-${CARCH}.pkg.tar.gz
 oldstylepkgfile=${pkgname}-${pkgver}-${pkgrel}.pkg.tar.gz