udapl btl was not compiling after r12878 on 12/17/2006, some minor changes to allow btl to compile

This commit was SVN r12963.

The following SVN revision numbers were found above:
  r12878 --> open-mpi/ompi@190e7a27cd

ompi/mca/btl/udapl/btl_udapl.c

@@ -21,6 +21,7 @@
  */
 
 #include "ompi_config.h"
+#include <errno.h> 
 #include <string.h>
 #include "opal/util/output.h"
 #include "opal/util/if.h"
@@ -422,7 +423,8 @@ int mca_btl_udapl_free(
     mca_btl_udapl_frag_t* frag = (mca_btl_udapl_frag_t*)des;
 
     if(frag->size == 0 && frag->registration != NULL) {
-        btl->btl_mpool->mpool_deregister(btl->btl_mpool, frag->registration);
+        btl->btl_mpool->mpool_deregister(btl->btl_mpool,
+	    (mca_mpool_base_registration_t*)frag->registration);
         MCA_BTL_UDAPL_FRAG_RETURN_USER(btl, frag); 
     } else if(frag->size == mca_btl_udapl_component.udapl_eager_frag_size) {
         MCA_BTL_UDAPL_FRAG_RETURN_EAGER(btl, frag); 

ompi/mca/btl/udapl/btl_udapl_frag.c

@@ -36,7 +36,7 @@ static void mca_btl_udapl_frag_common_constructor(mca_btl_udapl_frag_t* frag)
     frag->base.des_flags = 0;
 #endif
 
-    frag->registration = (mca_mpool_base_registration_t*)reg; 
+    frag->registration = reg; 
     frag->segment.seg_addr.pval = (unsigned char*)(frag + 1); 
     frag->ftr = NULL;