V4L/DVB (5366): Pvrusb2: Fix compilation warning for amd64 builds (use %zu instead of %u)

Signed-off-by Mike Isely <[e-mail]>
Signed-off-by Michael Krufky <[e-mail]>
Signed-off-by: Mauro Carvalho Chehab <[e-mail]>

drivers/media/video/pvrusb2/pvrusb2-hdw.c

···
 	if (fw_len % sizeof(u32)) {
 		pvr2_trace(PVR2_TRACE_ERROR_LEGS,
 			   "size of %s firmware"
-			   " must be a multiple of %u bytes",
+			   " must be a multiple of %zu bytes",
 			   fw_files[fwidx],sizeof(u32));
 		release_firmware(fw_entry);
 		return -1;