urlmon/tests: Visually separate two if statements (PVS-Studio).
comctl32/tests: Post a key-down message rather than use keybd_event.
comctl32/tests: Remove dead assignments in treeview.c (Cppcheck).
comctl32/tests: Remove a dead assignment in misc.c (Cppcheck).
mciavi32: Initialize a variable (Cppcheck).
crypt32: Remove dead assignments in cert.c (Cppcheck).
compobj.dll16: Remove dead assignments in compobj.c (Cppcheck).
dwrite: Fixed memory leak on error (Coverity).
crypt32/tests: Avoid an always true ok() condition (PVS-Studio).
d3d8/tests: Remove an always false condition (PVS-Studio).
gdi32: Remove a basically unused variable (PVS-Studio).
gdi32/tests: Add basic tests for the handling of dwCount parameter in ExtCreateRegion.
msi: Add stubs for MsiRemovePatches(A/W).
iphlpapi: Add stub for CancelMibChangeNotify2.

Based on a patch by Yann Leretaille.
iphlpapi: Add stub for NotifyIpInterfaceChange.

Based on a patch by Yann Leretaille.
user32: Fix invalid argument passed to ExtCreateRegion.
kernel32: Set proper error codes if FindFirstFileExW doesn't support specific search_ops / levels.
d3d10core: Implement d3d10_device_ClearState().
d3d10core/tests: Add a test for ID3D10Device_ClearState().
d2d1: Pass the correct vtbl in d2d_linear_gradient_brush_init().