Change the code a bit to silence false positive warnings from covscan.
leaked_storage: Ignoring storage allocated by "audin_server_context_new(NULL)" leaks it.
leaked_storage: Ignoring storage allocated by "rdpsnd_server_context_new(NULL)" leaks it.
leaked_storage: Ignoring storage allocated by "cliprdr_server_context_new(NULL)" leaks it.
leaked_storage: Ignoring storage allocated by "echo_server_context_new(NULL)" leaks it.
leaked_storage: Ignoring storage allocated by "rdpdr_server_context_new(NULL)" leaks it.
leaked_storage: Ignoring storage allocated by "drdynvc_server_context_new(NULL)" leaks it.
leaked_storage: Ignoring storage allocated by "rdpei_server_context_new(NULL)" leaks it.
leaked_storage: Ignoring storage allocated by "remdesk_server_context_new(NULL)" leaks it.
leaked_storage: Ignoring storage allocated by "encomsp_server_context_new(NULL)" leaks it.
leaked_storage: Ignoring storage allocated by "rdpgfx_server_context_new(NULL)" leaks it.
buffer_size_warning: Calling strncpy with a maximum size argument of 256 bytes on destination array "irp->PathName" of size 256 bytes might leave the destination string unterminated.
buffer_size_warning: Calling strncpy with a maximum size argument of 256 bytes on destination array "irp->ExtraBuffer" of size 256 bytes might leave the destination string unterminated.
leaked_storage: Variable "newbuf" going out of scope leaks the storage it points to.
leaked_storage: Variable "keys" going out of scope leaks the storage it points to.
leaked_storage: Variable "pKeys" going out of scope leaks the storage it points to.
leaked_storage: Variable "s" going out of scope leaks the storage it points to.
leaked_storage: Variable "computerNameW" going out of scope leaks the storage it points to.
leaked_storage: Variable "s" going out of scope leaks the storage it points to.
(we overwrite the password and pin arguments).
This implies changes in the argument parsing tests that now must pass a mutable argv
(copied from the statically declared test argvs).
Some other const inconsistency have been dealt with too.