[PATCH] Add xenUnifiedRegister Comment for xml files

[Atsushi SAKAI <sakaia@xxxxxxxxxxxxxx>]

Hi,

I run apibuild.py on docs, following messages are appeared.

Missing comment for function xenUnifiedDriver

This patch fixes this.
If comments are not appropriate, please change it.

Thanks
Atsushi SAKAI

--- libvirt.0410/src/xen_unified.c	2007-04-04 23:19:49.000000000 +0900
+++ libvirt.xenuni/src/xen_unified.c	2007-04-10 13:30:56.000000000 +0900
@@ -762,6 +762,13 @@ static virDriver xenUnifiedDriver = {
   .domainSetAutostart 		= xenUnifiedDomainSetAutostart,
 };
 
+/**
+ * xenUnifiedRegister:
+ *
+ * Register xen related drivers
+ *
+ * Returns the driver priority or -1 in case of error.
+ */
 int
 xenUnifiedRegister (void)
 {