Fix the newly-introduced CORR_STRCPY and CORR_VALCPY macros.

They were broken, did not compile.

Michael Paquier
Add support for verify-ca/full sslmode using Windows Schannel Security
Service Provider.
Root CAs must be installed into Windows Root certificate store beforehand.
Change conifuration_template.xml so that its 64bit default is use_sspi=yes,
 use_gss=no. Also add the treatment of libpq default version.
VOID is not defined on all systems. Use void insted.

Christoph Berg
When nmake macros are given as command line parameters, they can't be changed.
Rename the name of elements in configuration(_template).xml from
setenv to setvcvars.