libXaw3d: Changes to 'master'

[Jeremy Huddleston]

 src/Box.c      |    4 ++--
 src/Form.c     |    6 +++---
 src/Tip.c      |    2 ++
 src/Viewport.c |   20 ++++++++++----------
 4 files changed, 17 insertions(+), 15 deletions(-)

New commits:
commit 702e4ff9f5fbfae4aecba09f8c735dc97bac1b59
Author: Jeremy Huddleston <jeremyhu at apple.com>
Date:   Sun Jan 22 11:58:09 2012 -0800

    Cleanup shadow declarations
    
    Box.c:265:10: warning: declaration shadows a local variable [-Wshadow]
                int i = bbw->composite.num_children;
                    ^
    Box.c:166:15: note: previous declaration is here
        Cardinal  i;
                  ^
    1 warning generated.
    
    Form.c:809:9: warning: declaration shadows a local variable [-Wshadow]
            Widget w = *childP;
                   ^
    Form.c:793:24: note: previous declaration is here
    XawFormDoLayout(Widget w,
                           ^
    1 warning generated.
    
    Viewport.c:627:24: warning: declaration shadows a local variable [-Wshadow]
                        if (!needshoriz) CheckHoriz();
                                         ^
    Viewport.c:605:14: note: expanded from macro 'CheckHoriz'
                        Widget bar = w->viewport.horiz_bar;                 \
                               ^
    Viewport.c:620:14: note: previous declaration is here
                        Widget bar = w->viewport.vert_bar;
                               ^
    1 warning generated.
    
    Signed-off-by: Jeremy Huddleston <jeremyhu at apple.com>

commit d31153b30abd26c3f65e19d126ce4a3542cf14c0
Author: Jeremy Huddleston <jeremyhu at apple.com>
Date:   Sun Jan 22 11:55:29 2012 -0800

    Include <stdlib.h> for abs()
    
    Tip.c:336:9: error: implicit declaration of function 'abs' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
            ksy += abs(ext->max_ink_extent.y);
                   ^
    1 error generated.
    
    Signed-off-by: Jeremy Huddleston <jeremyhu at apple.com>