[BOLT][NFC] Fix warning for unqualified call to std::move

Fixes warning from RetpolineInsertion.cpp:171:44:
warning: unqualified call to std::move [-Wunqualified-std-cast-call]

Reviewed By: maksfb

Differential Revision: https://reviews.llvm.org/D124482

bolt/lib/Passes/RetpolineInsertion.cpp

@@ -168,7 +168,7 @@ BinaryFunction *createNewRetpoline(BinaryContext &BC,
   MCInst Return;
   MIB.createReturn(Return);
   BB2.addInstruction(Return);
-  NewRetpoline->insertBasicBlocks(nullptr, move(NewBlocks),
+  NewRetpoline->insertBasicBlocks(nullptr, std::move(NewBlocks),
                                   /* UpdateLayout */ true,
                                   /* UpdateCFIState */ false);