Update README and patchlevel.h for 2.4.8 release

Signed-off-by: Paul Mackerras <paulus@ozlabs.org>

README

@@ -61,9 +61,33 @@ use any IP address.  (This only applies where the peer is
 authenticating itself to you, of course.)
 
 
-What's new in ppp-2.4.7.
+What's new in ppp-2.4.8.
 ************************
 
+* New pppd options have been added:
+  - ifname, to set the name for the PPP interface device
+  - defaultroute-metric, to set the metric for the default route
+  - defaultroute6, to add an IPv6 default route (with nodefaultroute6
+    to prevent adding an IPv6 default route)
+  - up_sdnotify, to have pppd notify systemd when the link is up.
+
+* The rp-pppoe plugin has new options:
+  - host-uniq, to set the Host-Uniq value to send
+  - pppoe-padi-timeout, to set the timeout for discovery packets
+  - pppoe-padi-attempts, to set the number of discovery attempts.
+
+* Added the CLASS attribute in radius packets.
+
+* Sundry bug fixes.
+
+* Fixed warnings and issues found by static analysis.
+
+* Added Submitting-patches.md.
+
+
+What was new in ppp-2.4.7.
+**************************
+
 * Fixed a potential security issue in parsing option files (CVE-2014-3158).
 
 * There is a new "stop-bits" option, which takes an argument of 1 or 2,

pppd/patchlevel.h

@@ -1,2 +1,2 @@
-#define VERSION		"2.4.7"
-#define DATE		"9 August 2014"
+#define VERSION		"2.4.8"
+#define DATE		"31 December 2019"