message: Fix formatting issues in IsFusible
diff: @@ -146,7 +146,8 @@ bool IsFusible(const HloInstruction& instr) {
  instr.opcode() == HloOpcode::kDynamicUpdateSlice ||
  instr.opcode() == HloOpcode::kFusion ||
  instr.opcode() == HloOpcode::kGather ||
  - instr.opcode() == HloOpcode::kIota || instr.opcode() == HloOpcode::kPad ||
  + instr.opcode() == HloOpcode::kIota ||
  + instr.opcode() == HloOpcode::kPad ||
  instr.opcode() == HloOpcode::kReduce ||
  instr.opcode() == HloOpcode::kReduceWindow ||
  instr.opcode() == HloOpcode::kReshape ||
  