Fix Android only code in SkDraw for 7317.

git-svn-id: http://skia.googlecode.com/svn/trunk@7322 2bbb7eff-a529-9590-31e7-b0007b416f81

src/core/SkDraw.cpp

@@ -2141,7 +2141,7 @@ void SkDraw::drawPosTextOnPath(const char text[], size_t byteLength,
     // End copied from SkTextToPathIter constructor
 
     // detach cache
-    SkGlyphCache* cache = tempPaint.detachCache(NULL);
+    SkGlyphCache* cache = tempPaint.detachCache(NULL, NULL);
 
     // Must set scale, even if 1
     SkScalar scale = SK_Scalar1;