Check that dll is loaded before keeping it loaded

renderdoc/driver/vulkan/wrappers/vk_device_funcs.cpp

@@ -478,7 +478,8 @@ ReplayStatus WrappedVulkan::Initialise(VkInitParams &params, uint64_t sectionVer
     GetResourceManager()->WrapResource(m_Instance, m_ReplayPhysicalDevices[i]);
 
 #if ENABLED(RDOC_WIN32)
-  LoadLibraryA("nvoglv64.dll");
+  if(GetModuleHandleA("nvoglv64.dll"))
+    LoadLibraryA("nvoglv64.dll");
 #endif
 
   return ReplayStatus::Succeeded;