io/romio: Break make dist on config failure

If ROMIO does not think it can build, set the flag to break
"make dist", as that means the resulting tarball will not
include ROMIO (which is not what we want).

Signed-off-by: Brian Barrett <bbarrett@amazon.com>

Author: bwbarrett

ompi/mca/io/romio341/configure.m4

@@ -114,6 +114,7 @@ AC_DEFUN([MCA_ompi_io_romio341_CONFIG],[
 
                    AS_IF([test "$io_romio341_happy" = "1"],
                          [$1],
-                         [$2])])])
+                         [OPAL_MAKEDIST_DISABLE="$OPAL_MAKEDIST_DISABLE ROMIO"
+			  $2])])])
     OPAL_VAR_SCOPE_POP
 ])