Fixed bug #765

Added SDL_SetError case for SDL_UNSUPPORTED

--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%403909

src/SDL_error.c

@@ -231,6 +231,9 @@ SDL_Error(SDL_errorcode code)
     case SDL_EFSEEK:
         SDL_SetError("Error seeking in datastream");
         break;
+    case SDL_UNSUPPORTED:
+        SDL_SetError("That operation is not supported");
+        break;
     default:
         SDL_SetError("Unknown SDL error");
         break;