fix the lustre compilation problems for older lustre versions. Add the prototype for the static function to avoid a warning message.

ompi/mca/fs/lustre/fs_lustre.h

@@ -31,6 +31,12 @@ extern int mca_fs_lustre_stripe_width;
 
 BEGIN_C_DECLS
 
+
+#ifndef LOV_MAX_STRIPE_COUNT
+#define LOV_MAX_STRIPE_COUNT 160
+#endif
+
+
 int mca_fs_lustre_component_init_query(bool enable_progress_threads,
                                         bool enable_mpi_threads);
 struct mca_fs_base_module_1_0_0_t *

ompi/mca/fs/lustre/fs_lustre_file_open.c

@@ -33,13 +33,8 @@
 #include <lustre/liblustreapi.h>
 #include <lustre/lustre_user.h>
 
-/*
- *	file_open_lustre
- *
- *	Function:	- opens a new file
- *	Accepts:	- same arguments as MPI_File_open()
- *	Returns:	- Success if new file handle
- */
+static void *alloc_lum();
+
 static void *alloc_lum()
 {
   int v1, v3, join;
@@ -52,6 +47,13 @@ static void *alloc_lum()
   return malloc(MAX(v1, v3));
 }
 
+/*
+ *	file_open_lustre
+ *
+ *	Function:	- opens a new file
+ *	Accepts:	- same arguments as MPI_File_open()
+ *	Returns:	- Success if new file handle
+ */
 
 int
 mca_fs_lustre_file_open (struct ompi_communicator_t *comm,