Minor cleanups for when using external pmix

Signed-off-by: Ralph Castain <rhc@open-mpi.org>

.gitignore

@@ -310,6 +310,12 @@ opal/mca/hwloc/base/static-components.h.new.struct
 
 opal/mca/installdirs/config/install_dirs.h
 
+opal/mca/pmix/ext2x/ext2x.c
+opal/mca/pmix/ext2x/ext2x.h
+opal/mca/pmix/ext2x/ext2x_client.c
+opal/mca/pmix/ext2x/ext2x_component.c
+opal/mca/pmix/ext2x/ext2x_server_north.c
+opal/mca/pmix/ext2x/ext2x_server_south.c
 opal/mca/pmix/pmix*/pmix/include/pmix/autogen/config.h
 opal/mca/pmix/pmix*/pmix/include/pmix/autogen/config.h.in
 opal/mca/pmix/pmix*/pmix/src/include/private/autogen/config.h.in

orte/mca/ess/base/ess_base_std_tool.c

@@ -40,6 +40,7 @@
 #include "opal/runtime/opal_cr.h"
 #include "opal/runtime/opal_progress_threads.h"
 #include "opal/util/arch.h"
+#include "opal/util/argv.h"
 #include "opal/util/proc.h"
 
 #include "orte/mca/oob/base/base.h"