Merge "stagefright aacenc: Fix reading out of bounds in pow2_xy"

Author: Jean-Baptiste Queru

media/libstagefright/codecs/aacenc/basic_op/oper_32b.c

@@ -344,8 +344,8 @@ static const Word32 pow2Table[POW2_TABLE_SIZE] = {
 */
 Word32 pow2_xy(Word32 x, Word32 y)
 {
-  Word32 iPart;
-  Word32 fPart;
+  UWord32 iPart;
+  UWord32 fPart;
   Word32 res;
   Word32 tmp, tmp2;
   Word32 shift, shift2;