minor compile warnings fix

This commit was SVN r8497.

ompi/mca/coll/tuned/coll_tuned.h

@@ -121,12 +121,14 @@ OMPI_COMP_EXPORT extern int   mca_coll_tuned_reduce_forced_chain_fanout;
 
   int mca_coll_tuned_init_query(bool enable_progress_threads,
                                 bool enable_mpi_threads);
+
   const struct mca_coll_base_module_1_0_0_t *
     mca_coll_tuned_comm_query(struct ompi_communicator_t *comm, int *priority,
                               struct mca_coll_base_comm_t **data);
 
   const struct mca_coll_base_module_1_0_0_t *
     mca_coll_tuned_module_init(struct ompi_communicator_t *comm);
+
   int mca_coll_tuned_module_finalize(struct ompi_communicator_t *comm);
 
   /* API functions of decision functions and any implementations */

ompi/mca/coll/tuned/coll_tuned_dynamic_rules.c

@@ -270,7 +270,7 @@ int coll_tuned_free_coms_in_alg_rule (ompi_coll_alg_rule_t* alg_p)
 int coll_tuned_free_all_rules (ompi_coll_alg_rule_t* alg_p, int n_algs)
 {
    int i;
-   int rc;
+   int rc = 0;
 
    for(i=0;i<n_algs;i++) {
      rc += coll_tuned_free_coms_in_alg_rule (&(alg_p[i]));

ompi/mca/coll/tuned/coll_tuned_reduce.c

@@ -49,7 +49,7 @@ int mca_coll_tuned_reduce_intra_chain( void *sendbuf, void *recvbuf, int count,
     char *sendtmpbuf = NULL;
     long ext, lb;
     int  typelng;
-    int  allocedaccumbuf;
+    int  allocedaccumbuf = 0;
     ompi_request_t* reqs[2];
     ompi_coll_chain_t* chain;