Correct a filename in a comment.

This commit was SVN r1564.

config/ompi_mca.m4

@@ -145,7 +145,7 @@ for type in $found_types; do
             MCA_PROCESS_MODULE(1, 1, $type, $m)
 
             # Note that the AM_CONDITIONAL for this module is set in
-            # config/mca_module_list.m4 -- which is generated by
+            # config/mca_no_configure_modules.m4 -- which is generated by
             # autogen.sh because we cannot have a variable
             # AM_CONDITIONAL name (which we need here).  Since
             # autogen.sh knows the name that is necessary, it just