comms/aldo: Update 0.7.5 -> 0.7.7

Port changes:

• Change to DISTVERSION
• Add LICENSE/LICENSE_FILE
• Remove USE_GCC
• Add USES=localbase instead of CPPFLAGS/LIBS

PR: 226349
Submitted by: Dmitri Goutnik <dg@syrec.org>
Approved by: lambert@lambertfam.org (maintainer timeout; 19 days)