libswscale/yuv2rgb.c:265: error: Uninitialized Value
  The value read from pa_1 was never initialized.

libswscale/yuv2rgb.c:265:5: 
263.     PUTRGBA(dst_2, py_2, pa_1, 3, 24);
264.     PUTRGBA(dst_1, py_1, pa_2, 3, 24);
265.     pa_1 += 8; \
         ^
266.     pa_2 += 8; \
267. ENDYUV2RGBLINE(8)
