Directly rely on the function pointer to destroy the instance platform.

Author: Kerilk

loader/icd.c

@@ -338,7 +338,7 @@ void khrIcdVendorAdd(const char *libraryName)
 #if defined(CL_ENABLE_LOADER_MANAGED_DISPATCH)
         if (instance_platform)
         {
-            vendor->clIcdDestroyInstancePlatform(instance_platform);
+            p_clIcdDestroyInstancePlatform(instance_platform);
         }
 #endif
         free(vendor);