fix warnings

git-svn-id: http://skia.googlecode.com/svn/trunk@1129 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/samplecode/SampleText.cpp b/samplecode/SampleText.cpp
index b1bb6cb..c1090ee 100644
--- a/samplecode/SampleText.cpp
+++ b/samplecode/SampleText.cpp
@@ -134,12 +134,12 @@
                 SkASSERT(m > mm);
             }
         }
-        nn = n;
+        nn = SkIntToScalar(n);
         mm = m;
     }
 
-    nn = paint.breakText(text, length, width, &mm);
-    SkASSERT(nn == length);
+    int length2 = paint.breakText(text, length, width, &mm);
+    SkASSERT(length2 == length);
     SkASSERT(mm == width);
 }