Merge pull request #6232 from jsquyres/pr/v4.0.x/distribute-ompi-grequest-header

v4.0.x: romio321: ensure to distribute ompi_grequestx.h

ompi/mca/io/romio321/romio/Makefile.am

@@ -68,6 +68,9 @@ AM_CPPFLAGS += -I$(top_builddir)/include -I$(top_srcdir)/include
 noinst_HEADERS += include/mpio.h
 noinst_HEADERS += include/io_romio_conv.h
 
+# Included for Open MPI's --enable-grequest-extensions feature.
+noinst_HEADERS += include/ompi_grequestx.h
+
 # ------------------------------------------------------------------------
 
 SUBDIRS =