Fix cpplint whitespace/operators issues

Change-Id: I730bd87b476bfa36e93b42e816ef358006b69ba5
diff --git a/compiler/dex/mir_dataflow.cc b/compiler/dex/mir_dataflow.cc
index be19d5a..c3a33ff 100644
--- a/compiler/dex/mir_dataflow.cc
+++ b/compiler/dex/mir_dataflow.cc
@@ -1022,19 +1022,19 @@
       if (df_attributes & DF_UA) {
         num_uses++;
         if (df_attributes & DF_A_WIDE) {
-          num_uses ++;
+          num_uses++;
         }
       }
       if (df_attributes & DF_UB) {
         num_uses++;
         if (df_attributes & DF_B_WIDE) {
-          num_uses ++;
+          num_uses++;
         }
       }
       if (df_attributes & DF_UC) {
         num_uses++;
         if (df_attributes & DF_C_WIDE) {
-          num_uses ++;
+          num_uses++;
         }
       }
     }