accountsservice: unbreak musl build (take 2).

srcpkgs/accountsservice/template

@@ -1,7 +1,7 @@
 # Template file for 'accountsservice'
 pkgname=accountsservice
 version=0.6.40
-revision=2
+revision=3
 build_style=gnu-configure
 configure_args="--disable-static $(vopt_enable systemd) $(vopt_enable gir introspection)
  ac_cv_file__etc_redhat_release=no ac_cv_file__etc_debian_version=no"
@@ -24,7 +24,7 @@ if [ -z "$CROSS_BUILD" ]; then
 	build_options_default="gir"
 fi
 
-+pre_configure() {
+pre_configure() {
 	case "$XBPS_TARGET_MACHINE" in
 		*-musl) configure_args+=" ac_cv_header_utmpx_h=no";;
 	esac