sudo: build PIE binaries by default.

srcpkgs/sudo/template

@@ -1,6 +1,7 @@
 # Template build file for 'sudo'.
 pkgname=sudo
 version=1.8.3p1
+revision=1
 distfiles="http://www.courtesan.com/sudo/dist/$pkgname-$version.tar.gz"
 build_style=gnu-configure
 configure_args="--with-ignore-dot -with-all-insults --with-env-editor
@@ -21,6 +22,10 @@ long_desc="
 conf_files="/etc/pam.d/sudo /etc/sudoers"
 nostrip=yes
 
+# Build PIE binaries by default.
+CFLAGS="-fPIE"
+LDFLAGS="-pie"
+
 Add_dependency build gettext
 Add_dependency build zlib-devel
 Add_dependency build pam-devel