vulkaninfo: properly macro guard the portability features.
vulkaninfo: properly macro guard the portability features.

Whlie the main bits were properly guarded, several places should of
been which weren't, including a VK_EXT_NAME which caused compilation
to fail if VK_ENABLE_BETA_EXTENSIONS wasn't defined.

Change-Id: Ifa40f903c4affbf0c169076d9fe5dca522f82db4

KhronosGroup/Vulkan-Tools,KhronosGroup/Vulkan-Tools,KhronosGroup/Vulkan-Tools,KhronosGroup/Vulkan-Tools