vulkan: Update vulkan.h for revision 89 -- Bug #13743

Generalizing the VkDescriptorSetLayoutChain object.
diff --git a/include/vkLayer.h b/include/vkLayer.h
index 39602e2..70c36a9 100644
--- a/include/vkLayer.h
+++ b/include/vkLayer.h
@@ -88,9 +88,9 @@
     PFN_vkStorePipeline StorePipeline;
     PFN_vkLoadPipeline LoadPipeline;
     PFN_vkLoadPipelineDerivative LoadPipelineDerivative;
+    PFN_vkCreatePipelineLayout CreatePipelineLayout;
     PFN_vkCreateSampler CreateSampler;
     PFN_vkCreateDescriptorSetLayout CreateDescriptorSetLayout;
-    PFN_vkCreateDescriptorSetLayoutChain CreateDescriptorSetLayoutChain;
     PFN_vkBeginDescriptorPoolUpdate BeginDescriptorPoolUpdate;
     PFN_vkEndDescriptorPoolUpdate EndDescriptorPoolUpdate;
     PFN_vkCreateDescriptorPool CreateDescriptorPool;