configure.ac: use shorter form for AC_CONFIG_FILE#2

Open

dilyanpalauzov wants to merge 5 commits intocyrusimap:masterfrom dilyanpalauzov:configure_ac_compress

+2,122-586

Commits on Feb 5, 2019

tzdata2018i
ksmurchison
committed

Commits on Apr 9, 2019

Commits on Jun 23, 2019

configure.ac: compress
dilyanpalauzov
committed