[PATCH] riscv: vdso: include vdso/vsyscall.h for vdso_data

[Ben Dooks <ben.dooks@codethink.co.uk>]

Add include of <vdso/vsyscall.h> to pull in the defition of vdso_data
to remove the following sparse warning:

arch/riscv/kernel/vdso.c:39:18: warning: symbol 'vdso_data' was not declared. Should it be static?

Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
---
 arch/riscv/kernel/vdso.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/riscv/kernel/vdso.c b/arch/riscv/kernel/vdso.c
index 9a68e7eaae4d..2cf76218a5bd 100644
--- a/arch/riscv/kernel/vdso.c
+++ b/arch/riscv/kernel/vdso.c
@@ -15,6 +15,7 @@
 #include <asm/vdso.h>
 #include <linux/time_namespace.h>
 #include <vdso/datapage.h>
+#include <vdso/vsyscall.h>
 
 enum vvar_pages {
 	VVAR_DATA_PAGE_OFFSET,
-- 
2.39.2