media: videodev2.h: Fix p_s32 and p_s64 pointer types

Use the intended pointer types for p_s32 and p_64 in the union of the
struct v4l2_ext_control.

Fixes: e77eb663 ("videodev2.h: add p_s32 and p_s64 pointers")
Signed-off-by: Daniel Lundberg Pedersen <dlp@qtec.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>

include/uapi/linux/videodev2.h

@@ -1807,8 +1807,8 @@ struct v4l2_ext_control {
 		__u8 __user *p_u8;
 		__u16 __user *p_u16;
 		__u32 __user *p_u32;
-		__u32 __user *p_s32;
-		__u32 __user *p_s64;
+		__s32 __user *p_s32;
+		__s64 __user *p_s64;
 		struct v4l2_area __user *p_area;
 		struct v4l2_ctrl_h264_sps __user *p_h264_sps;
 		struct v4l2_ctrl_h264_pps *p_h264_pps;