From: Andrej Shadura <andrewsh@debian.org>
Subject: Port to the actually maintained fork of libappindicator

diff --git a/configure.ac b/configure.ac
index 0055d17..7cae9f3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -134,7 +134,7 @@ AC_SUBST(MDOC)
 
 AM_CONDITIONAL(ENABLE_MONODOC, test "$enable_monodoc" = "yes")
 dnl Check for AppIndicator3
-PKG_CHECK_MODULES(APPINDICATOR3, appindicator3-0.1)
+PKG_CHECK_MODULES(APPINDICATOR3, ayatana-appindicator3-0.1)
 appindicator3_prefix=/usr
 AC_SUBST(appindicator3_prefix)
 AC_SUBST(APPINDICATOR3_LIBS)