Suppress some warnings on linux.

R=reed@google.com
Review URL: https://codereview.appspot.com/6572046

git-svn-id: http://skia.googlecode.com/svn/trunk@5687 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/bench/PathBench.cpp b/bench/PathBench.cpp
index dd5041d..12e456a 100644
--- a/bench/PathBench.cpp
+++ b/bench/PathBench.cpp
@@ -272,13 +272,15 @@
                     path->lineTo(fPoints[(fCurrPoint++) & (kNumPoints - 1)]);
                     break;
                 case SkPath::kQuad_Verb:
-                    path->quadTo(fPoints[(fCurrPoint++) & (kNumPoints - 1)],
-                                 fPoints[(fCurrPoint++) & (kNumPoints - 1)]);
+                    path->quadTo(fPoints[(fCurrPoint + 0) & (kNumPoints - 1)],
+                                 fPoints[(fCurrPoint + 1) & (kNumPoints - 1)]);
+                    fCurrPoint += 2;
                     break;
                 case SkPath::kCubic_Verb:
-                    path->cubicTo(fPoints[(fCurrPoint++) & (kNumPoints - 1)],
-                                  fPoints[(fCurrPoint++) & (kNumPoints - 1)],
-                                  fPoints[(fCurrPoint++) & (kNumPoints - 1)]);
+                    path->cubicTo(fPoints[(fCurrPoint + 0) & (kNumPoints - 1)],
+                                  fPoints[(fCurrPoint + 1) & (kNumPoints - 1)],
+                                  fPoints[(fCurrPoint + 2) & (kNumPoints - 1)]);
+                    fCurrPoint += 3;
                     break;
                 case SkPath::kClose_Verb:
                     path->close();