Whitespace cleanup in DWARFReg helper functions.

Change-Id: Iedc05969b05be6d93e40467ff23287faaae08fb3
diff --git a/compiler/optimizing/code_generator_x86.cc b/compiler/optimizing/code_generator_x86.cc
index 48445d7..7e64011 100644
--- a/compiler/optimizing/code_generator_x86.cc
+++ b/compiler/optimizing/code_generator_x86.cc
@@ -461,7 +461,7 @@
         codegen_(codegen) {}
 
 static dwarf::Reg DWARFReg(Register reg) {
-    return dwarf::Reg::X86Core(static_cast<int>(reg));
+  return dwarf::Reg::X86Core(static_cast<int>(reg));
 }
 
 void CodeGeneratorX86::GenerateFrameEntry() {