Dirac: allcodecs in alphabetical order

(cherry picked from commit b44c20e9f0)

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

libavcodec/allcodecs.c

@@ -90,8 +90,8 @@ void avcodec_register_all(void)
     REGISTER_DECODER (CLJR, cljr);
     REGISTER_DECODER (CSCD, cscd);
     REGISTER_DECODER (CYUV, cyuv);
-    REGISTER_DECODER (DIRAC, dirac);
     REGISTER_DECODER (DFA, dfa);
+    REGISTER_DECODER (DIRAC, dirac);
     REGISTER_ENCDEC  (DNXHD, dnxhd);
     REGISTER_ENCDEC  (DPX, dpx);
     REGISTER_DECODER (DSICINVIDEO, dsicinvideo);