bug#15174: 24.3.50; frame shrinks vertically when enlarge or shrink it horizontally

[martin rudalics <rudalics@gmx.at>]

 > emacs -Q
 >
 > Just to make it easier:
 >
 > (defun enlarge-frame-horizontally (&optional increment frame)
 >    "Increase the width of FRAME (default: selected-frame) by INCREMENT.
 > INCREMENT is in columns (characters).
 > Interactively, it is given by the prefix argument."
 >    (interactive "p")
 >    (set-frame-width frame (+ (frame-width frame) increment)))
 >
 > (global-set-key [(control meta right)] 'enlarge-frame-horizontally)
 >
 > Choose any frame that is showing a menu bar.  Doesn't matter whether it
 > is also showing a tool bar.
 >
 > Use the mouse to make the frame narrow enough that the menu bar wraps to
 > a second line.
 >
 > Now try C-M-<right> one or more times.  The frame widens each time, but
 > it also shrinks vertically (the bug).
 >
 > The same thing happens if you shrink the frame horizontally - same
 > uncalled-for vertical shrinking.

Should be fixed now with revision 118172 on trunk.

Thanks, martin