Ooops, WIN32 code in pg_ctl.c still needs PQExpBuffer.

Per buildfarm.

src/bin/pg_ctl/pg_ctl.c

@@ -36,6 +36,10 @@
 #include "getopt_long.h"
 #include "utils/pidfile.h"
 
+#ifdef WIN32					/* on Unix, we don't need libpq */
+#include "pqexpbuffer.h"
+#endif
+
 /* PID can be negative for standalone backend */
 typedef long pgpid_t;
 

src/tools/msvc/Mkvcbuild.pm

@@ -49,7 +49,7 @@ my @contrib_excludes = (
 
 # Set of variables for frontend modules
 my $frontend_defines = { 'initdb' => 'FRONTEND' };
-my @frontend_uselibpq = ('pg_upgrade', 'pgbench', 'psql', 'initdb');
+my @frontend_uselibpq = ('pg_ctl', 'pg_upgrade', 'pgbench', 'psql', 'initdb');
 my @frontend_uselibpgport = (
 	'pg_archivecleanup', 'pg_test_fsync',
 	'pg_test_timing',    'pg_upgrade',