[2.6.30-rc1] Append a comma to INIT_FTRACE_GRAPH.

[Tetsuo Handa]

Due to lack of a comma, build fails if elements are appended to
INIT_TASK() macro.

arch/x86/kernel/init_task.c:33: error: request for member `XXXXXXXXXX' in something not a structure or union
arch/x86/kernel/init_task.c:33: error: initializer element is not constant
arch/x86/kernel/init_task.c:33: error: (near initialization for `init_task.ret_stack')
make[1]: *** [arch/x86/kernel/init_task.o] Error 1
make: *** [arch/x86/kernel] Error 2

Signed-off-by: Tetsuo Handa <penguin-kernel@xxxxxxxxxxxxxxxxxxx>
---
 include/linux/ftrace.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- linux-2.6.30-rc1.orig/include/linux/ftrace.h
+++ linux-2.6.30-rc1/include/linux/ftrace.h
@@ -357,7 +357,7 @@ struct ftrace_graph_ret {
 #ifdef CONFIG_FUNCTION_GRAPH_TRACER
 
 /* for init task */
-#define INIT_FTRACE_GRAPH		.ret_stack = NULL
+#define INIT_FTRACE_GRAPH		.ret_stack = NULL,
 
 /*
  * Stack of return addresses for functions
--
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