[MacPorts] #65629: SDRangel 7.6.0_0 upgrade failure on OSX 10.13.6

[MacPorts]

#65629: SDRangel 7.6.0_0 upgrade failure on OSX 10.13.6
--------------------+----------------------
 Reporter:  rufty   |      Owner:  (none)
     Type:  defect  |     Status:  new
 Priority:  Normal  |  Milestone:
Component:  ports   |    Version:
 Keywords:          |       Port:  SDRangel
--------------------+----------------------
 port installed | grep SDRangel
    SDRangel @7.5.1_0+gui+hackrf+libiio+native+rtlsdr+server+soapysdr
 (active)
 sudo port upgrade SDRangel gives an error, seems to be:
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_SDRangel/SDRangel/work/sdrangel-7.6.0/plugins/channelrx/demoddatv/ldpctool/layered_decoder.h:24:16:
 error:
       use of undeclared identifier 'aligned_alloc'; did you mean
 'aligned_malloc'?
         return aligned_alloc(alignment, size);
                ^~~~~~~~~~~~~
                aligned_malloc

-- 
Ticket URL: <https://trac.macports.org/ticket/65629>
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