Log Message:
Update to 1.0.6:

This minor maintenance release provides assorted build configuration
improvements and janitorial clenaups.

Alan Coopersmith (11):
      Replace #ifdef X_NOT_POSIX with explicit check for mktemp function
      config: Add missing AC_CONFIG_SRCDIR
      Add local copy of asprintf()
      Convert sprintf calls to asprintf or snprintf
      Simplify & unify variants of unique_filename
      Print which option was in error along with usage message
      Add -version option to print program version
      configure: Drop AM_MAINTAINER_MODE
      autogen.sh: Honor NOCONFIGURE=1
      Remove unneeded checks for X_NOT_POSIX
      smproxy 1.0.6