[Bug 36123] valgrind shows leaks in msiexec/msiexec.c

https://bugs.winehq.org/show_bug.cgi?id=36123

--- Comment #1 from Austin English  ---
Also:
==22299== 28 bytes in 1 blocks are definitely lost in loss record 150 of 605
==22299==    at 0x7BC50A9B: RtlAllocateHeap (heap.c:255)
==22299==    by 0x48217BE: WinMain (msiexec.c:146)
==22299==    by 0x4823A03: main (exe_main.c:49)
==22299== 
{
   <insert_a_suppression_name_here>
   Memcheck:Leak
   match-leak-kinds: definite
   fun:RtlAllocateHeap
   fun:WinMain
   fun:main
}