Silence warning

Refs trac:4872

This commit was SVN r32565.

The following Trac tickets were found above:
  Ticket 4872 --> https://svn.open-mpi.org/trac/ompi/ticket/4872

opal/class/opal_hash_table.h

@@ -76,6 +76,12 @@ typedef struct opal_hash_table_t opal_hash_table_t;
 
 OPAL_DECLSPEC int opal_hash_table_init(opal_hash_table_t* ht, size_t table_size);
 
+/**
+ * Alternative form
+ */
+OPAL_DECLSPEC int opal_hash_table_init2(opal_hash_table_t* ht, size_t estimated_max_size,
+                                        int density_numer, int density_denom,
+                                        int growth_numer, int growth_denom);
 
 /**
  *  Returns the number of elements currently stored in the table.