Blacklist port/win32_msvc/utime.h in cpluspluscheck and headerscheck.

Since commit 481c8e92 it tends to produce "error: sys/utime.h: No such
file or directory" on non-Windows platforms.

src/tools/pginclude/cpluspluscheck

@@ -74,6 +74,7 @@ do
 	test "$f" = src/include/port/win32_port.h && continue
 	test "$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
 	test "$f" = src/port/pthread-win32.h && continue
 
 	# Likewise, these files are platform-specific, and the one

src/tools/pginclude/headerscheck

@@ -70,6 +70,7 @@ do
 	test "$f" = src/include/port/win32_port.h && continue
 	test "$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
 	test "$f" = src/port/pthread-win32.h && continue
 
 	# Likewise, these files are platform-specific, and the one