bug 13632: Convert commands to plural form

part of multiple commits to implement bug #13632.
bug 13632
header version 82
svn version: 30446

This patch converts:
vkCmdBindVertexBuffer -> vkCmdBindVertexBuffers
vkQueueAddMemReference -> vkQueueAddMemReferences
vkQueueRemoveMemReference -> vkQueueRemoveMemReferences
diff --git a/vk-layer-generate.py b/vk-layer-generate.py
index a74b4eb..cb429aa 100755
--- a/vk-layer-generate.py
+++ b/vk-layer-generate.py
@@ -1103,7 +1103,7 @@
         destroy_line = ''
         funcs = []
         # Special cases for API funcs that don't use an object as first arg
-        if True in [no_use_proto in proto.name for no_use_proto in ['GlobalOption', 'CreateInstance', 'QueueSubmit', 'QueueAddMemReference', 'QueueRemoveMemReference', 'QueueWaitIdle', 'GetGlobalExtensionInfo', 'CreateDevice', 'GetGpuInfo', 'QueueSignalSemaphore', 'QueueWaitSemaphore', 'WsiX11QueuePresent']]:
+        if True in [no_use_proto in proto.name for no_use_proto in ['GlobalOption', 'CreateInstance', 'QueueSubmit', 'QueueAddMemReferences', 'QueueRemoveMemReferences', 'QueueWaitIdle', 'GetGlobalExtensionInfo', 'CreateDevice', 'GetGpuInfo', 'QueueSignalSemaphore', 'QueueWaitSemaphore', 'WsiX11QueuePresent']]:
             using_line = ''
         else:
             using_line = '    loader_platform_thread_lock_mutex(&objLock);\n'