Revert r11423 (low hanging calloc fruit)



git-svn-id: http://skia.googlecode.com/svn/trunk@11427 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/core/SkBitmap.cpp b/src/core/SkBitmap.cpp
index dcc7b2e..d3bbecd 100644
--- a/src/core/SkBitmap.cpp
+++ b/src/core/SkBitmap.cpp
@@ -1632,7 +1632,8 @@
 
 SkBitmap::RLEPixels::RLEPixels(int width, int height) {
     fHeight = height;
-    fYPtrs = (uint8_t**)sk_calloc_throw(height * sizeof(uint8_t*));
+    fYPtrs = (uint8_t**)sk_malloc_throw(height * sizeof(uint8_t*));
+    sk_bzero(fYPtrs, height * sizeof(uint8_t*));
 }
 
 SkBitmap::RLEPixels::~RLEPixels() {