Log Message:
Update to 1.2.20140901:

2014/09/01
	+ add configure check for groff, needed for html/ps/pdf output.
	+ update configure-script macros:
	  + CF_ACVERSION_CHECK - work around another gratuitous incompatibility
	    introduced in 2.69
	  + CF_ADD_CFLAGS - workaround for ash-shell, e.g., with Minix
	  + CF_ADD_LIBS - filter out duplicates
	  + CF_CURSES_FUNCS - improve workaround for weak-linkage, seems to fix
	    tests with NetBSD 6.1
	  + CF_INTEL_COMPILER - clean up the -no-gcc option which was leftover
	    from testing.
	  + CF_LIB_SUFFIX - change suffix for AIX shared libraries to ".so".
	  + CF_MAKEFLAGS - workaround for GNU make 4.0 incompatibility with
	    previous releases.
	  + CF_XOPEN_SOURCE - add cases for Minix, UnixWare and improve the
	    workaround for Solaris.
	+ improve comparison in compare_cache() function, in case difference
	  between pointers does not fit in int's.
	+ updated de.po, es.po, hu.po, lv.po from
		http://translationproject.org/latest/dialog/
	+ update config.guess, config.sub