module: preferred way to use MODULE_AUTHOR

For the longest time now we've been using multiple MODULE_AUTHOR()
statements when a module has more than one author, but the comment here
disagrees.
Signed-off-by: NJohannes Berg <johannes@sipsolutions.net>
Cc: Jiri Kosina <jkosina@suse.cz>
Cc: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NRusty Russell <rusty@rustcorp.com.au>

include/linux/module.h

@@ -128,7 +128,10 @@ extern struct module __this_module;
  */
 #define MODULE_LICENSE(_license) MODULE_INFO(license, _license)
 
-/* Author, ideally of form NAME[, NAME]*[ and NAME] */
+/*
+ * Author(s), use "Name <email>" or just "Name", for multiple
+ * authors use multiple MODULE_AUTHOR() statements/lines.
+ */
 #define MODULE_AUTHOR(_author) MODULE_INFO(author, _author)
   
 /* What your module does. */