allcodecs: fix vda order

Found-by: compn
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libavcodec/allcodecs.c

@@ -134,8 +134,8 @@ void avcodec_register_all(void)
     REGISTER_ENCDEC  (H263P, h263p);
     REGISTER_DECODER (H264, h264);
     REGISTER_DECODER (H264_CRYSTALHD, h264_crystalhd);
-    REGISTER_DECODER (H264_VDPAU, h264_vdpau);
     REGISTER_DECODER (H264_VDA, h264_vda);
+    REGISTER_DECODER (H264_VDPAU, h264_vdpau);
     REGISTER_ENCDEC  (HUFFYUV, huffyuv);
     REGISTER_DECODER (IDCIN, idcin);
     REGISTER_DECODER (IFF_BYTERUN1, iff_byterun1);