Document some objev anims, make objevgfx info static

src/event_object_movement.c

@@ -134,6 +134,8 @@ static void InitSpriteForFigure8Anim(struct Sprite *sprite);
 static bool8 AnimateSpriteInFigure8(struct Sprite *sprite);
 static void UpdateObjectEventSprite(struct Sprite *);
 
+static const struct SpriteFrameImage sPicTable_PechaBerryTree[];
+
 const u8 gReflectionEffectPaletteMap[] = {1, 1, 6, 7, 8, 9, 6, 7, 8, 9, 11, 11, 0, 0, 0, 0};
 
 const struct SpriteTemplate gCameraSpriteTemplate = {0, 0xFFFF, &gDummyOamData, gDummySpriteAnimTable, NULL, gDummySpriteAffineAnimTable, ObjectCB_CameraObject};