d3d9: update locked_rect only if wined3d_surface_map succeeded (try 2)

[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://newtestbot.winehq.org/JobDetails.pl?Key=2776

Your paranoid android.


=== w864 (32 bit device) ===
device.c:5409: Test failed: Failed to clear pBits (DEADBEEF)device.c:5588: Tests skipped: Failed to create surface for format D3DFMT_R8G8B8 (hr 0x8876086c), skipping tests.
device: unhandled exception c0000005 at 740D14C8

=== w864 (64 bit device) ===
device.c:5409: Test failed: Failed to clear pBits (00000000DEADBEEF)device.c:5588: Tests skipped: Failed to create surface for format D3DFMT_R8G8B8 (hr 0x8876086c), skipping tests.
device: unhandled exception c0000005 at 000007F84EDD90EB