Use AC_FD_CC uniformly (one & was missing).

This commit was SVN r7407.

config/ompi_config_asm.m4

@@ -105,7 +105,7 @@ ${sym}mytestlabel$ompi_cv_asm_label_suffix],
             else
                 # not so much on the NM goodness :/
                 echo "$NM failed.  Output from NM was:" >&AC_FD_CC
-                cat conftest.out > AC_FD_CC
+                cat conftest.out >&AC_FD_CC
                 AC_MSG_WARN([$NM could not read object file])
             fi
             ])