Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1780209
    Patch 	libecpg-10.5-external-libpq.patch was updated
    Due to modified makefile was updated build section in spec
    
    new upstream patch resolves missing buildrequires of ecpg
    link to upstream discussion: https://www.postgresql.org/message-id/20200321221303.GA17979%40momjian.us