Log Message:
Changes 1.5.4:

*) MySQL driver: Fix incorrect handling of bad parameter in the
   driver support for apr_dbd_transaction_end().

*) apr_crypto_get_driver(): Fix invalid storage reference on error path.

*) Fix compile failure for Android.

*) Fix to let ODBC driver build with MSVC6, which does not have intptr_t

*) Windows cmake build: Fix incompatiblities with Visual Studio
   generators with all cmake versions, and the NMake Makefile generator
   with cmake 2.8.12 and later.

*) Fix detection of Berkeley DB 6.0.

*) Improve platform detection for bundled expat by updating
   config.guess and config.sub.