Fixed windows compilation issues

Author: KiritoDv

src/game/camera.h

@@ -643,6 +643,10 @@ struct LakituState {
     u32 skipCameraInterpolationTimestamp;
 };
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 // bss order hack to not affect BSS order. if possible, remove me, but it will be hard to match otherwise
 #ifndef INCLUDED_FROM_CAMERA_C
 // BSS
@@ -757,4 +761,8 @@ void obj_rotate_towards_point(struct Object *o, Vec3f point, s16 pitchOff, s16 y
 
 Gfx *geo_camera_fov(s32 callContext, struct GraphNode *g, UNUSED void *context);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif // CAMERA_H