[PATCH] ole32: Fix some memory leaks (Valgrind).

[Marvin]

Hi,

While running your changed tests on Windows, I think I found new failures.
Being a bot and all I'm not very good at pattern recognition, so I might be
wrong, but could you please double-check?

Full results can be found at:
https://testbot.winehq.org/JobDetails.pl?Key=46956

Your paranoid android.


=== debian9 (32 bit Chinese:China report) ===

ole32:
clipboard.c:1157: Test failed: got 800401d0
clipboard.c:1173: Test failed: got 800401d0
clipboard.c:1180: Test failed: data objects match
clipboard.c:1187: Test failed: data objects match
clipboard.c:1188: Test failed: data objects match
clipboard.c:1198: Test failed: got 800401d0
clipboard.c:1210: Test failed: got 800401d0
clipboard.c:1211: Test failed: GetData not called
clipboard.c:1214: Test failed: 1 1
clipboard.c:1220: Test failed: got 800401d0
clipboard.c:1221: Test failed: GetData not called
clipboard.c:1225: Test failed: 1
clipboard.c:1236: Test failed: got 800401d0
clipboard.c:1247: Test failed: got 800401d0
clipboard.c:1253: Test failed: got 800401d0
clipboard.c:1254: Test failed: GetData not called
clipboard.c:1260: Test failed: 1 1
clipboard.c:1265: Test failed: 1
clipboard.c:1278: Test failed: 1 1
clipboard.c:1282: Test failed: 1

=== debian9 (64 bit WoW report) ===

ole32:
clipboard.c:1049: Test failed: OleIsCurrentClipboard returned 0
clipboard.c:1117: Test failed: 1 WM_DRAWCLIPBOARD received