[Bug 8229] callbacks from win16 extended program that allocate linear memory screw up pointers

[Wine Bugs]

http://bugs.winehq.org/show_bug.cgi?id=8229





------- Additional Comments From lupien(a)physique.usherbrooke.ca  2007-30-04 01:16 -------
Created an attachment (id=6030)
 --> (http://bugs.winehq.org/attachment.cgi?id=6030&action=view)
patch to dlls/winedos/int31.c to fix an error in DPMI_xrealloc

DPMI_xrealloc() function of dlls/winedos/int31.c reserved the memory before
doing the test and if they failed it would not release it. So I moved the
memory allocation after the tests. It will only behave differently if it is
called with a NULL handle (ptr). If that is a problem, an else statement can be
added when ptr is NULL.

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