Older compilers unable to deal with varargs CPP macros

[drhsqlite]

See https://www.fossil-scm.org/fossil/info/24c2b99df2f65914

I had to comment out all of the "lndebug()" macros since the gcc version 3.1 (2002-04-20) that is on an old iBook is unable to deal with a varargs CPP macro.

Why am I compiling on such an old beast? Because the iBook is a PowerPC (32-bit big-endian) and we use it as part of the platform diversity testing for SQLite.