merge xinput 1.6.4, xrdb 1.2.2, xwd 1.0.9, and xwininfo 1.1.6

Adapt xwininfo for POSIX iconv(3)

merge setxkbmap 1.3.2, xbiff 1.0.4, xclock 1.0.9, xman 1.1.5, and
xwininfo 1.1.5.

merge xsetroot 1.1.2, xwininfo 1.1.4 and xsm 1.0.4.

Reduce unnecessary diff to upstream -- inp is ICONV_CONST nowadays.

merge xload 1.1.1, xlogo 1.0.4, xlsatoms 1.1.1, xmag 1.0.5, xmessage 1.0.3,
xrefresh 1.0.5, xsetroot 1.1.1, xsm 1.0.3, xstdcmap 1.0.3, xvidtune 1.0.3,
and xwd 1.0.5.

merge xwininfo 1.1.2

avoid an mismatch between iconv(3)'s 2nd arg.

initial import of xwininfo-1.1.1

initial import of xwininfo-1.0.5

initial import of xwininfo-1.0.4

initial import of xwininfo-1.0.3