Fix cpplint's whitespace complaints.

Change-Id: I11fd2db2badf7bd98e7866ca2155d8ef1e112408
diff --git a/src/compiler/codegen/mips/ArchUtility.cc b/src/compiler/codegen/mips/ArchUtility.cc
index 40188ce..4252d50 100644
--- a/src/compiler/codegen/mips/ArchUtility.cc
+++ b/src/compiler/codegen/mips/ArchUtility.cc
@@ -54,7 +54,7 @@
                DCHECK_LT(fmt, fmtEnd);
                DCHECK_LT((unsigned)(nc-'0'), 4u);
                operand = lir->operands[nc-'0'];
-               switch(*fmt++) {
+               switch (*fmt++) {
                    case 'b':
                        strcpy(tbuf,"0000");
                        for (i=3; i>= 0; i--) {