Fix cpplint whitespace/parens issues

Change-Id: Ifc678d59a8bed24ffddde5a0e543620b17b0aba9
diff --git a/compiler/dex/vreg_analysis.cc b/compiler/dex/vreg_analysis.cc
index 10bbd1f..f361dd7 100644
--- a/compiler/dex/vreg_analysis.cc
+++ b/compiler/dex/vreg_analysis.cc
@@ -160,7 +160,7 @@
       if ((mir->dalvikInsn.opcode == Instruction::RETURN) ||
           (mir->dalvikInsn.opcode == Instruction::RETURN_WIDE) ||
           (mir->dalvikInsn.opcode == Instruction::RETURN_OBJECT)) {
-        switch(cu_->shorty[0]) {
+        switch (cu_->shorty[0]) {
             case 'I':
               changed |= SetCore(ssa_rep->uses[0], true);
               break;