Tweak default ID types processing order, step 12: Sounds.

Move Sound type toward the end of the list, this is a file-wrapper type
with typically no dependency to any other ID.

source/blender/makesdna/DNA_ID.h

@@ -770,6 +770,7 @@ enum {
   INDEX_ID_PAL,
   INDEX_ID_GD,
   INDEX_ID_NT,
+  INDEX_ID_SO,
   INDEX_ID_MSK,
   INDEX_ID_IM,
   INDEX_ID_MC,
@@ -792,7 +793,6 @@ enum {
   INDEX_ID_LA,
   INDEX_ID_CA,
   INDEX_ID_TXT,
-  INDEX_ID_SO,
   INDEX_ID_SPK,
   INDEX_ID_LP,
   INDEX_ID_OB,