Fix cpplint's whitespace complaints.

Change-Id: I11fd2db2badf7bd98e7866ca2155d8ef1e112408
diff --git a/src/compiler/codegen/x86/X86/Gen.cc b/src/compiler/codegen/x86/X86/Gen.cc
index c6cd55c..f957cbc 100644
--- a/src/compiler/codegen/x86/X86/Gen.cc
+++ b/src/compiler/codegen/x86/X86/Gen.cc
@@ -387,7 +387,7 @@
 }
 
 X86ConditionCode oatX86ConditionEncoding(ConditionCode cond) {
-  switch(cond) {
+  switch (cond) {
     case kCondEq: return kX86CondEq;
     case kCondNe: return kX86CondNe;
     case kCondCs: return kX86CondC;