In initMMX2HScaler, when chrDstW is not divisible by 4, the last filterPos...

In initMMX2HScaler, when chrDstW is not divisible by 4, the last filterPos element is initialized on the wrong index (not evenly aligned). This fixes it

git-svn-id: file:///var/local/repositories/mplayer/trunk/libswscale@28933 b3059339-0415-0410-9bf9-f77b7e298cf2

swscale.c

@@ -1622,7 +1622,7 @@ static void initMMX2HScaler(int dstW, int xInc, uint8_t *funnyCode, int16_t *fil
         }
         xpos+=xInc;
     }
-    filterPos[i/2]= xpos>>16; // needed to jump to the next part
+    filterPos[((i/2)+1)&(~1)]= xpos>>16; // needed to jump to the next part
 }
 #endif /* COMPILE_MMX2 */