pgsql: Changed order of statements and added an additiona MSVC safeguar

Changed order of statements and added an additiona MSVC safeguard to make ecpg
thread test cases work on Windows.

Branch
------
master

Details
-------
https://git.postgresql.org/pg/commitdiff/04fbe0e4516d26de9420637f6fc90041e574b4b0

Modified Files
--------------
src/interfaces/ecpg/test/expected/thread-alloc.c | 36 ++++++------
.../ecpg/test/expected/thread-descriptor.c | 10 ++--
src/interfaces/ecpg/test/expected/thread-prep.c | 64 +++++++++++-----------
src/interfaces/ecpg/test/expected/thread-thread.c | 38 +++++++------
.../ecpg/test/expected/thread-thread_implicit.c | 38 +++++++------
src/interfaces/ecpg/test/thread/alloc.pgc | 10 ++--
src/interfaces/ecpg/test/thread/descriptor.pgc | 2 +
src/interfaces/ecpg/test/thread/prep.pgc | 10 ++--
src/interfaces/ecpg/test/thread/thread.pgc | 10 ++--
.../ecpg/test/thread/thread_implicit.pgc | 10 ++--
10 files changed, 124 insertions(+), 104 deletions(-)