[Bug fortran/69064] Unhelpful error message when a module variable was not included in the only list

[kottinge at utk dot edu]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69064

--- Comment #37 from kottinge at utk dot edu ---
Yeah that's what the bug is.  The only problem with the file or at least what
prevents it from compiling is the missing variable declaration on line 2648,
but instead of saying there is a missing variable it provides some other error.