* configure.ac: Use AC_CONFIG_AUX_DIR([.]).

* configure.ac: Use AC_CONFIG_AUX_DIR([.]).

* configure.ac: Use AC_CONFIG_AUX_DIR([.]).

* configure.ac: Use AC_CONFIG_AUX_DIR([.]). Converted to new style
AC_INIT and AM_INIT_AUTOMAKE.

* configure.ac: Use AC_CONFIG_AUX_DIR([.]).

Rev: ChangeLog:1.776
Rev: configure.ac:1.53
Rev: src/argp/ChangeLog:1.34
Rev: src/argp/configure.ac:1.19
Rev: src/nettle/ChangeLog:1.266
Rev: src/nettle/configure.ac:1.40
Rev: src/sftp/ChangeLog:1.54
Rev: src/sftp/configure.ac:1.21
Rev: src/spki/ChangeLog:1.68
Rev: src/spki/configure.ac:1.11