Fix missing returns causing crashes on emscripten

src/gameview/vehicleview.cpp

@@ -122,4 +122,5 @@ bool game::view::VehicleView::ProcessUpdateMsg(net::InMessage& msg)
         wheel.steering = i < 2 ? steering : 0.0f;
     }
 
+    return true;
 }

src/net/utils.hpp

@@ -45,6 +45,8 @@ inline bool ReadRotation(InMessage& msg, glm::quat& q)
 
     float w = glm::sqrt(glm::max(0.0f, 1.0f - glm::dot(v, v)));
     q = glm::quat(w, v.x, v.y, v.z);
+
+    return true;
 }
 
 inline bool ReadTransform(InMessage& msg, Transform& trans)