Merge branch 'refs/heads/t/wma_improvements'

A couple of simple patches which simplify the WMA code and improve
readability.

Cooking for three weeks.

* refs/heads/t/wma_improvements:
  wmadec: Use read_u32_be().
  wma_afh.c: Remove condition which is always true.
  imdct.c: Replace pointless macro PASS.
  wma_common.c: Remove pointless assignment.
  wma_afh.c: Use DIV_ROUND_UP().

diff --cc NEWS.md
index ae0c14b5d57c72e046e13d7fd0c129adf6fe46fb,2056f90c06716f40f67fa43d477e63787e780ddb..df1a80e352c19edd24dba2683aff1f5c4fd4db5d
--- 1/NEWS.md
--- 2/NEWS.md
+++ b/NEWS.md
@@@ -1,34 -1,6 +1,35 @@@
  NEWS
  ====
  
 +------------------------------------
 +0.6.0 (to be announced) "fuzzy flux"
 +------------------------------------
 +- Support for Mac OS X has been removed.
 +- On Linux systems, glibc-2.17 or newer is required to build the
 +  source tree.
 +- Support for RSA public keys in ASN format (as generated by openssl
 +  genrsa) has been removed. These keys have been deprecated since
 +  2011, so users should have long switched to keys generated with
 +  ssh-keygen(1).
 +- If libgcrypt is used as the crypto library, we now require version
 +  1.5.0 (released in 2011) or later.
 +- The insecure RC4 stream cipher has been removed. It was superseded
 +  by aes_ctr128 three years ago but the RC4 code had been kept for
 +  backwards compatibility.
 +- On Linux, abstract unix domain sockets are used unconditionally.
 +- The "install" target no longer strips executables, the new
 +  install-strip target can be used to get the old behaviour.
 +- The clean targets have been renamed: clean2 is gone, and the new
 +  mostlyclean removes only the executables and object files.
 +- New target: check (identical to test).
 +- The DESTDIR make variable is honored to prepend a path to the
 +  installation directory. This feature is orthogonal to the --prefix
 +  option to configure.
++- Minor WMA cleanups.
 +
 +Downloads:
 +[tarball](./releases/paraslash-git.tar.bz2),
 +
  -------------------------------------
  0.5.7 (2016-12-31) "semantic density"
  -------------------------------------