[5/5] msvcirt: Implement istream::getdouble

[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=24393

Your paranoid android.


=== wxppro (32 bit msvcirt) ===
msvcirt.c:4839: Test failed: Test 48: wrong return, expected 4 got 5
msvcirt.c:4839: Test failed: Test 49: wrong return, expected 4 got 5
msvcirt.c:4839: Test failed: Test 50: wrong return, expected 4 got 5
msvcirt.c:4839: Test failed: Test 51: wrong return, expected 4 got 5
msvcirt.c:4841: Test failed: Test 52: expected 2 got 0
msvcirt.c:4843: Test failed: Test 52: expected 003E601D got 003E601C
msvcirt.c:4839: Test failed: Test 54: wrong return, expected 4 got 5
msvcirt.c:4839: Test failed: Test 57: wrong return, expected -1 got 0
msvcirt.c:4839: Test failed: Test 58: wrong return, expected -1 got 0
msvcirt.c:4839: Test failed: Test 59: wrong return, expected -1 got 0
msvcirt.c:4839: Test failed: Test 61: wrong return, expected 0 got 1
msvcirt.c:4839: Test failed: Test 62: wrong return, expected 1 got 2

=== w2003std (32 bit msvcirt) ===
msvcirt.c:4839: Test failed: Test 48: wrong return, expected 4 got 5
msvcirt.c:4839: Test failed: Test 49: wrong return, expected 4 got 5
msvcirt.c:4839: Test failed: Test 50: wrong return, expected 4 got 5
msvcirt.c:4839: Test failed: Test 51: wrong return, expected 4 got 5
msvcirt.c:4841: Test failed: Test 52: expected 2 got 0
msvcirt.c:4843: Test failed: Test 52: expected 003D60B5 got 003D60B4
msvcirt.c:4839: Test failed: Test 54: wrong return, expected 4 got 5
msvcirt.c:4839: Test failed: Test 57: wrong return, expected -1 got 0
msvcirt.c:4839: Test failed: Test 58: wrong return, expected -1 got 0
msvcirt.c:4839: Test failed: Test 59: wrong return, expected -1 got 0
msvcirt.c:4839: Test failed: Test 61: wrong return, expected 0 got 1
msvcirt.c:4839: Test failed: Test 62: wrong return, expected 1 got 2