Remove NULL check from gimbal_axis

source/blender/editors/transform/transform_manipulator.c

@@ -201,7 +201,6 @@ static int test_rotmode_euler(short rotmode)
 
 bool gimbal_axis(Object *ob, float gmat[3][3])
 {
-	if (ob) {
 	if (ob->mode & OB_MODE_POSE) {
 		bPoseChannel *pchan = BKE_pose_channel_active(ob);
 
@@ -260,7 +259,6 @@ bool gimbal_axis(Object *ob, float gmat[3][3])
 		}
 		return 1;
 	}
-	}
 
 	return 0;
 }

source/blender/editors/transform/transform_orientations.c

@@ -451,7 +451,7 @@ void initTransformOrientation(bContext *C, TransInfo *t)
 
 		case V3D_MANIP_GIMBAL:
 			unit_m3(t->spacemtx);
-			if (gimbal_axis(ob, t->spacemtx)) {
+			if (ob && gimbal_axis(ob, t->spacemtx)) {
 				BLI_strncpy(t->spacename, IFACE_("gimbal"), sizeof(t->spacename));
 				break;
 			}