HID: thingm: thingm_fwinfo[] doesn't need to be global

No need to pollute global namespace by thingm_fwinfo[]. Make it static.

Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/hid/hid-thingm.c b/drivers/hid/hid-thingm.c
index 31de890..134be89 100644
--- a/drivers/hid/hid-thingm.c
+++ b/drivers/hid/hid-thingm.c
@@ -31,7 +31,7 @@
 	unsigned first;
 };
 
-const struct thingm_fwinfo thingm_fwinfo[] = {
+static const struct thingm_fwinfo thingm_fwinfo[] = {
 	{
 		.major = THINGM_MAJOR_MK1,
 		.numrgb = 1,