[Patch, Fortran] PR40451: [F03] procedure pointer assignment rejected

[Janus Weil]

>> here is my patch for PR40451, where a PROCEDURE with explicit
>> interface erroneously got implicitly typed before the interface was
>> copied to the symbol. The fix is easy: Only do the implicit typing if
>> the symbol has no ts.interface.
>>
>> Regtested on x86_64-unknown-linux-gnu. Ok for trunk?
>>
> OK. Thanks for the quick patch.

Committed as revision 148652.

Cheers,
Janus