File 0002-disable-build-html-docs.patch of Package corosync

--- corosync-upstream/configure.ac	2021-07-29 19:01:27.449569993 +0300
+++ corosync-3.1.4/configure.ac	2021-07-29 19:02:54.322003015 +0300
@@ -739,7 +739,7 @@
 AM_CONDITIONAL(INSTALL_DBUSCONF, test "${enable_dbus}" = "yes")
 AM_CONDITIONAL(AUGTOOL, test -n "${AUGTOOL}")
 
-AM_CONDITIONAL(BUILD_HTML_DOCS, test -n "${GROFF}")
+AM_CONDITIONAL(BUILD_HTML_DOCS, false)
 
 AC_SUBST([LINT_FLAGS])