rdoff/ldrdf.c: Add option to specify target RDF module name in command line
rdoff/ldrdf.c: Add option to specify target RDF module name in command line

Rationale: this is useful for projects developed entirely in high-level
language and which use NASM as a backend (compilers able to generate NASM
code are e.g. ncc or Free Pascal). With this option there is no need to have
a single assembly language file for each project with just one "module NNN"
directive — it is enough now to specify the name as an argument to ldrdf.

Signed-off-by: Yuri Zaporozhets <83be48f5f628cec4aad5573b9a4db2ba36bf2778@yahoo.co.uk>

techkey/nasm,techkey/nasm,techkey/nasm,techkey/nasm,techkey/nasm