Remove zero-init/destructor WARs.

Change-Id: I27da6a11c2325711194b123c6fdc3d2a7bdf02a8
diff --git a/carousel/java/com/android/ex/carousel/carousel.rs b/carousel/java/com/android/ex/carousel/carousel.rs
index 230d1fe..79798b0 100644
--- a/carousel/java/com/android/ex/carousel/carousel.rs
+++ b/carousel/java/com/android/ex/carousel/carousel.rs
@@ -286,10 +286,9 @@
 static void updateAllocationVars(Card_t* newcards)
 {
     // Cards
-    rs_allocation cardAlloc = {0};
+    rs_allocation cardAlloc;
     rsSetObject(&cardAlloc, rsGetAllocation(newcards));
     cardCount = (cardAllocationValid && rsIsObject(cardAlloc)) ? rsAllocationGetDimX(cardAlloc) : 0;
-    rsClearObject(&cardAlloc);
 }
 
 void setRadius(float rad)