Declare hashid.c file as GENERATED to solve cmake warning

[j-rivero]

CMake does not consider the configured file as a file with extension in newer versions. While upstream fix it, I think there is no hurt on declaring it as GENERATED.

Tested:

close: #741

[k0ekk0ek]

Thanks @j-rivero. However, I believe this issue is not currently not present anymore. Like I mentioned on #741 and #737, I believe the error came from the fact that I forgot to remove the src/hashid.c entry from the list of sources (I just copied it before). Are you still experiencing the issue with the current HEAD of master?

[j-rivero]

Thanks Jeroen:

Are you still experiencing the issue with the current HEAD of master?

I just checked the nightly series and seems like the error is gone since April 8th. So you should be right, seems not a problem right now. Closing this.