Silence warning

cmr=v1.7.5:reviewer=ompi-gk1.7

This commit was SVN r31083.

orte/mca/grpcomm/pmi/pmi2_pmap_parser.c

@@ -132,7 +132,8 @@ static int *find_lrs(char *map, int my_node, int *nlrs)
  * @return array that contains ranks local to my_rank or NULL
  * on failure. Array must be freed by the caller. 
  */ 
-int *pmi2_parse_pmap(char *pmap, int my_rank, int *node, int *nlrs)
+static int *pmi2_parse_pmap(char *pmap, int my_rank,
+                            int *node, int *nlrs)
 {
     char *p;