Remove some compilation warnings.

This commit was SVN r2361.

src/datatype/dt_add.c

@@ -17,7 +17,7 @@
 int ompi_ddt_add( dt_desc_t* pdtBase, dt_desc_t* pdtAdd, unsigned int count, long disp, long extent )
 {
    int newLength, place_needed = 0, i;
-   short localFlags;
+   short localFlags = 0;  /* no specific options yet */
    dt_elem_desc_t *pLast, *pLoop = NULL;
    long lb, ub;
 

src/datatype/dt_pack.c

@@ -147,7 +147,7 @@ static int ompi_convertor_pack_homogeneous( ompi_convertor_t* pConv,
     char* pDestBuf;
     dt_desc_t* pData = pConv->pDesc;
     dt_elem_desc_t* pElems;
-    int next_length;
+    int next_length = 0;
     int init_bconvert = pConv->bConverted;
 
     pDestBuf = iov[0].iov_base;

src/datatype/dt_unpack.c

@@ -171,7 +171,7 @@ static int ompi_convertor_unpack_homogeneous( ompi_convertor_t* pConv,
     char* pSrcBuf;
     dt_desc_t* pData = pConv->pDesc;
     dt_elem_desc_t* pElems;
-    int next_length;
+    int next_length = 0;
     int init_bconvert = pConv->bConverted;
 
     pSrcBuf = iov[0].iov_base;
@@ -478,6 +478,7 @@ int ompi_convertor_init_for_recv( ompi_convertor_t* pConv, unsigned int flags,
         pConv->flags |= DT_FLAG_CONTIGUOUS;
         pConv->fAdvance = ompi_convertor_unpack_homogeneous_contig;
     } else {
+        pConv->fAdvance = ompi_convertor_unpack_general;  /* TODO: just tp make the compiler happy */
         pConv->fAdvance = ompi_convertor_unpack_homogeneous;
     }
     ompi_create_stack_with_pos( pConv, starting_point, local_sizes );