Sync to Wine-0_9_9:

Sync to Wine-0_9_9:
Francois Gouget <fgouget@free.fr>
- mapi: Add some missing MAPI prototypes.
  Add some missing MAPI prototypes to mapi.h (spotted by winapi_check)
  and include it where they are implemented.
  Make mapi.h and mapix.h compatible. gcc does not like macros and
  prototypes to be redefined so this involved protecting against
  multiple definitions.
  Fix the MAPISendMail() implementation prototype.

Sync to Wine-0_9_8:
Hans Leidekker <hans@it.vu.nl>
- mapi32: Implementation for MAPISendMail.
  Implement MAPISendMail, stub MAPILogoff and make the stubs for
  MAPIInitialize, MAPILogon{,Ex} and MAPILogoff return success.
- mapi32: Prevent freeing non-allocated memory.

svn path=/trunk/; revision=21622