Merge pull request #1961 from zoddicus/fixChromiumRoll

Remove std::move that is breaking chromium roll
diff --git a/SPIRV/spvIR.h b/SPIRV/spvIR.h
index 994224d..cf6a711 100755
--- a/SPIRV/spvIR.h
+++ b/SPIRV/spvIR.h
@@ -252,7 +252,7 @@
         assert(header != nullptr);
         Instruction* branch = new Instruction(OpBranch);
         branch->addIdOperand(header->getId());
-        addInstruction(std::move(std::unique_ptr<Instruction>(branch)));
+        addInstruction(std::unique_ptr<Instruction>(branch));
         successors.push_back(header);
     }