bug 14855: vkGetPipelineCacheSize is unique (consistency issue) (WIP)

Update vkGetPipelineCacheData() to replace vkGetPipelineCacheSize().

https://cvs.khronos.org/bugzilla/show_bug.cgi?id=14855
diff --git a/vulkan.py b/vulkan.py
index c75f234..c48de90 100755
--- a/vulkan.py
+++ b/vulkan.py
@@ -551,14 +551,10 @@
             [Param("VkDevice", "device"),
              Param("VkPipelineCache", "pipelineCache")]),
 
-        Proto("size_t", "GetPipelineCacheSize",
-            [Param("VkDevice", "device"),
-             Param("VkPipelineCache", "pipelineCache")]),
-
         Proto("VkResult", "GetPipelineCacheData",
             [Param("VkDevice", "device"),
              Param("VkPipelineCache", "pipelineCache"),
-             Param("size_t", "dataSize"),
+             Param("size_t*", "pDataSize"),
              Param("void*", "pData")]),
 
         Proto("VkResult", "MergePipelineCaches",