Unweaken vtables as per http://llvm.org/docs/CodingStandards.html#ll_virtual_anch

llvm-svn: 146960
diff --git a/llvm/lib/Target/X86/Disassembler/X86Disassembler.cpp b/llvm/lib/Target/X86/Disassembler/X86Disassembler.cpp
index 3aacb20..5b7316e 100644
--- a/llvm/lib/Target/X86/Disassembler/X86Disassembler.cpp
+++ b/llvm/lib/Target/X86/Disassembler/X86Disassembler.cpp
@@ -79,6 +79,12 @@
   return instInfoX86;
 }
 
+void X86_16Disassembler::anchor() { }
+
+void X86_32Disassembler::anchor() { }
+
+void X86_64Disassembler::anchor() { }
+
 /// regionReader - a callback function that wraps the readByte method from
 ///   MemoryObject.
 ///