Shut up some Mac (xcode 3) warnings

Review URL: http://codereview.appspot.com/6503053/



git-svn-id: http://skia.googlecode.com/svn/trunk@5402 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/animator/SkScriptTokenizer.cpp b/src/animator/SkScriptTokenizer.cpp
index 9547a98..a1de5e5 100644
--- a/src/animator/SkScriptTokenizer.cpp
+++ b/src/animator/SkScriptTokenizer.cpp
@@ -1276,8 +1276,8 @@
 
 #define testInt(expression) { #expression, SkOperand2::kS32, expression, 0, NULL }
 #ifdef SK_SCALAR_IS_FLOAT
-#define testScalar(expression) { #expression, SkOperand2::kScalar, 0, (float) expression, NULL }
-#define testRemainder(exp1, exp2) { #exp1 "%" #exp2, SkOperand2::kScalar, 0, fmodf(exp1, exp2), NULL }
+#define testScalar(expression) { #expression, SkOperand2::kScalar, 0, (float) (expression), NULL }
+#define testRemainder(exp1, exp2) { #exp1 "%" #exp2, SkOperand2::kScalar, 0, fmodf((float) exp1, (float) exp2), NULL }
 #else
 #define testScalar(expression) { #expression, SkOperand2::kScalar, 0, (int) ((expression) * 65536.0f), NULL }
 #define testRemainder(exp1, exp2) { #exp1 "%" #exp2, SkOperand2::kScalar, 0, (int) (fmod(exp1, exp2)  * 65536.0f), NULL }