Fix extra member in xlators/features/changelog/src/changelog-rpc.c

	The "static struct rpcsvc_program *changelog_programs[]"
includes an extra member by introducing a stray comma after "NULL".

	This commit fixes that by removing the stray comma.

Signed-off-by: Thales Antunes de Oliveira Barretto <thales.barretto.git@gmail.com>

Author: ThalesBarretto

xlators/features/changelog/src/changelog-rpc.c

@@ -437,5 +437,5 @@ static struct rpcsvc_program changelog_svc_prog = {
 
 static struct rpcsvc_program *changelog_programs[] = {
     &changelog_svc_prog,
-    NULL,
+    NULL
 };