radeon: remove redundant ';' from radeon_vm_bo_update_pte()

return statement needs just one semi-colon

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/gpu/drm/radeon/radeon_gart.c b/drivers/gpu/drm/radeon/radeon_gart.c
index 010dad8..d5b1adc 100644
--- a/drivers/gpu/drm/radeon/radeon_gart.c
+++ b/drivers/gpu/drm/radeon/radeon_gart.c
@@ -551,7 +551,7 @@
 
 	/* nothing to do if vm isn't bound */
 	if (vm->id == -1)
-		return 0;;
+		return 0;
 
 	bo_va = radeon_bo_va(bo, vm);
 	if (bo_va == NULL) {