bug 15045: vkGetPhysicalDeviceImageFormatProperties for unsupported formats (WIP)

Change the return type of vkGetPhysicalDeviceImageFormatProperties.

https://cvs.khronos.org/bugzilla/show_bug.cgi?id=15045
diff --git a/loader/trampoline.c b/loader/trampoline.c
index 99c5279..1186b27 100644
--- a/loader/trampoline.c
+++ b/loader/trampoline.c
@@ -226,12 +226,12 @@
     disp->GetPhysicalDeviceFormatProperties(gpu, format, pFormatInfo);
 }
 
-LOADER_EXPORT void VKAPI vkGetPhysicalDeviceImageFormatProperties(VkPhysicalDevice physicalDevice, VkFormat format, VkImageType type, VkImageTiling tiling, VkImageUsageFlags usage, VkImageCreateFlags flags, VkImageFormatProperties* pImageFormatProperties)
+LOADER_EXPORT VkResult VKAPI vkGetPhysicalDeviceImageFormatProperties(VkPhysicalDevice physicalDevice, VkFormat format, VkImageType type, VkImageTiling tiling, VkImageUsageFlags usage, VkImageCreateFlags flags, VkImageFormatProperties* pImageFormatProperties)
 {
     const VkLayerInstanceDispatchTable *disp;
 
     disp = loader_get_instance_dispatch(physicalDevice);
-    disp->GetPhysicalDeviceImageFormatProperties(physicalDevice, format, type, tiling, usage, flags, pImageFormatProperties);
+    return disp->GetPhysicalDeviceImageFormatProperties(physicalDevice, format, type, tiling, usage, flags, pImageFormatProperties);
 }
 
 LOADER_EXPORT void VKAPI vkGetPhysicalDeviceProperties(