wpa_supplicant: enable update_config in the default config file.

This should allow dhcpcd-{gtk,qt} to work correctly.

srcpkgs/wpa_supplicant/files/wpa_supplicant.conf

@@ -5,5 +5,6 @@ ctrl_interface_group=wheel
 eapol_version=1
 ap_scan=1
 fast_reauth=1
+update_config=1
 
 # Add here your networks.

srcpkgs/wpa_supplicant/template

@@ -1,7 +1,7 @@
 # Template file for 'wpa_supplicant'
 pkgname=wpa_supplicant
 version=2.3
-revision=3
+revision=4
 build_wrksrc=$pkgname
 short_desc="WPA/WPA2/IEEE 802.1X Supplicant"
 maintainer="Juan RP <xtraeme@gmail.com>"
@@ -20,12 +20,10 @@ pre_build() {
 	cp -f ${FILESDIR}/config .config
 	sed -i 's, -u, -uq,' dbus/*.service.in
 }
-
 do_build() {
 	export CFLAGS+=" $(pkg-config --cflags libnl-3.0)"
 	make ${make_build_args} V=1 PREFIX=/usr BINDIR=/usr/bin
 }
-
 do_install() {
 	make PREFIX=/usr BINDIR=/usr/bin DESTDIR=${DESTDIR} install