Use a consistent spelling for vtables.

llvm-svn: 259137
diff --git a/clang/lib/CodeGen/ItaniumCXXABI.cpp b/clang/lib/CodeGen/ItaniumCXXABI.cpp
index e210634..753bf56 100644
--- a/clang/lib/CodeGen/ItaniumCXXABI.cpp
+++ b/clang/lib/CodeGen/ItaniumCXXABI.cpp
@@ -1569,7 +1569,7 @@
   if (VTable)
     return VTable;
 
-  // Queue up this v-table for possible deferred emission.
+  // Queue up this vtable for possible deferred emission.
   CGM.addDeferredVTable(RD);
 
   SmallString<256> Name;