Add new win32 header to headerscheck and cpluspluscheck

Commit 5579388 added src/include/port/win32/netdb.h but forgot to
filter it out in the header checking scripts.  Per build farm animal
crake.

Author: macdice

src/tools/pginclude/cpluspluscheck

@@ -71,6 +71,7 @@ do
 
 	# Additional Windows-specific headers.
 	test "$f" = src/include/port/win32_port.h && continue
+	test "$f" = src/include/port/win32/netdb.h && continue
 	test "$f" = src/include/port/win32/sys/resource.h && continue
 	test "$f" = src/include/port/win32/sys/socket.h && continue
 	test "$f" = src/include/port/win32_msvc/dirent.h && continue

src/tools/pginclude/headerscheck

@@ -67,6 +67,7 @@ do
 
 	# Additional Windows-specific headers.
 	test "$f" = src/include/port/win32_port.h && continue
+	test "$f" = src/include/port/win32/netdb.h && continue
 	test "$f" = src/include/port/win32/sys/socket.h && continue
 	test "$f" = src/include/port/win32_msvc/dirent.h && continue
 	test "$f" = src/include/port/win32_msvc/utime.h && continue