Actually fix angle GLPrograms test.



git-svn-id: http://skia.googlecode.com/svn/trunk@7578 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/tests/GLProgramsTest.cpp b/tests/GLProgramsTest.cpp
index 830f38d..1d8ec35 100644
--- a/tests/GLProgramsTest.cpp
+++ b/tests/GLProgramsTest.cpp
@@ -111,7 +111,7 @@
 
         GrEffectStage stages[GrDrawState::kNumStages];
 
-        for (int s = 0; s < GrDrawState::kNumStages; ++s) {
+        for (int s = 0; s < maxStages; ++s) {
             // enable the stage?
             if (random_bool(&random)) {
                 // use separate tex coords?