merge libXaw 1.0.16, libfontenc 1.1.8, libpthread-stubs 0.5, and
util-macros 1.20.1.

initial import of libXaw-1.0.16

merge libXaw 1.0.15.

initial import of libXaw-1.0.15

fix casts and types to make it compile with clang

make this compile again under clang:
- factor out duplicated code
- add casts
- plug memory leak

merge libXaw 1.0.14, libXres 1.2.1, and libXt 1.2.1.

initial import of libXaw-1.0.14

initial import of libXaw-1.0.13

nuke old files that disappeared upstream in 1.0.5.

initial import of libXaw-1.0.12

Fix abs usage.

initial import of libXaw-1.0.11

initial import of libXaw-1.0.9

initial import of libXaw-1.0.8

initial import of libXaw-1.0.7

initial import of libXaw-1.0.6

initial import of libXaw-1.0.5

initial import of libXaw-1.0.4