TargetRegistry: Fix create{AsmInfo,MCDisassembler} to return non-const objects.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99097 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/Disassembler/X86Disassembler.cpp b/lib/Target/X86/Disassembler/X86Disassembler.cpp
index a316860..7b7b5cb 100644
--- a/lib/Target/X86/Disassembler/X86Disassembler.cpp
+++ b/lib/Target/X86/Disassembler/X86Disassembler.cpp
@@ -459,11 +459,11 @@
   }
 }
 
-static const MCDisassembler *createX86_32Disassembler(const Target &T) {
+static MCDisassembler *createX86_32Disassembler(const Target &T) {
   return new X86Disassembler::X86_32Disassembler;
 }
 
-static const MCDisassembler *createX86_64Disassembler(const Target &T) {
+static MCDisassembler *createX86_64Disassembler(const Target &T) {
   return new X86Disassembler::X86_64Disassembler;
 }