Revert r29049 because it is incorrectly overriding the results of an

AC config macro.

This commit was SVN r29050.

The following SVN revision numbers were found above:
  r29049 --> open-mpi/ompi@b82f89e78b

config/ompi_check_openfabrics.m4

@@ -198,7 +198,7 @@ AC_DEFUN([OMPI_CHECK_OPENFABRICS],[
                           [#include <infiniband/verbs.h>])
 
            AC_MSG_CHECKING([if RDMAoE support is enabled])
-           AC_DEFINE_UNQUOTED([HAVE_IBV_LINK_LAYER_ETHERNET], [$$1_have_rdmaoe], [Enable RDMAoE support])
+           AC_DEFINE_UNQUOTED([OMPI_HAVE_RDMAOE], [$$1_have_rdmaoe], [Enable RDMAoE support])
            if test "1" = "$$1_have_rdmaoe"; then
                 AC_MSG_RESULT([yes])
            else