Fix a couple of compile warnings that Tim P brought to by attention.

This commit was SVN r15132.

ompi/mca/bml/r2/bml_r2_ft.c

@@ -46,7 +46,7 @@
 #include "bml_r2_ft.h"
 
 int mca_bml_r2_ft_event(int state) {
-    ompi_proc_t** procs;
+    ompi_proc_t** procs = NULL;
     size_t num_procs;
     size_t btl_idx;
     int ret, p;

ompi/mca/pml/ob1/pml_ob1.c

@@ -399,7 +399,7 @@ void mca_pml_ob1_error_handler(
 
 int mca_pml_ob1_ft_event( int state )
 {
-    ompi_proc_t** procs;
+    ompi_proc_t** procs = NULL;
     size_t num_procs;
     int ret, p;