BUG #14123: Build failed pg952 on vs2015

The following bug has been logged on the website:

Bug reference:      14123
Logged by:          kangjoni
Email address:      kangjoni76@gmail.com
PostgreSQL version: 9.5.2
Operating system:   windows 7
Description:


Thanks before for initial effort to port on vs2015. Just curious building
against lastest update 2 vs2015 yielded some errors here especially on ecpg
and libpgtypes.


1>------ Build started: Project: libpgtypes, Configuration: Release Win32
------
1>  dt_common.c
1>  timestamp.c
1>src/interfaces/ecpg/pgtypeslib/timestamp.c(227): error C2065: 'timezone':
undeclared identifier
1>src/interfaces/ecpg/pgtypeslib/timestamp.c(229): error C2065: 'tzname':
undeclared identifier
1>src/interfaces/ecpg/pgtypeslib/timestamp.c(229): error C2109: subscript
requires array or pointer type
1>src/interfaces/ecpg/pgtypeslib/dt_common.c(1074): error C2065: 'timezone':
undeclared identifier
1>src/interfaces/ecpg/pgtypeslib/dt_common.c(1082): error C2065: 'tzname':
undeclared identifier
1>src/interfaces/ecpg/pgtypeslib/dt_common.c(1082): error C2109: subscript
requires array or pointer type
1>src/interfaces/ecpg/pgtypeslib/dt_common.c(1082): warning C4047:
'function': 'const char *' differs in levels of indirection from 'Size'
1>src/interfaces/ecpg/pgtypeslib/dt_common.c(1082): warning C4024:
'strncpy': different types for formal and actual parameter 2
1>src/interfaces/ecpg/pgtypeslib/dt_common.c(1082): error C2198: 'strncpy':
too few arguments for call
1>src/interfaces/ecpg/pgtypeslib/dt_common.c(1083): error C2065: 'tzname':
undeclared identifier
1>src/interfaces/ecpg/pgtypeslib/dt_common.c(1083): error C2109: subscript
requires array or pointer type
1>src/interfaces/ecpg/pgtypeslib/dt_common.c(1083): error C2168: 'strlen':
too few actual parameters for intrinsic function
2>------ Build started: Project: libecpg, Configuration: Release Win32
------
2>  connect.c
2>  data.c
2>  descriptor.c
2>  error.c
2>  execute.c
2>  memory.c
2>  misc.c
2>  prepare.c
2>  sqlda.c
2>  typename.c
2>LINK : fatal error LNK1181: cannot open input file
'Release/libpgtypes/libpgtypes.lib'
3>------ Build started: Project: libecpg_compat, Configuration: Release
Win32 ------
3>  informix.c
3>LINK : fatal error LNK1181: cannot open input file
'Release/libpgtypes/libpgtypes.lib'
========== Build: 0 succeeded, 3 failed, 127 up-to-date, 0 skipped
==========