[folks] build: Use portable test for zeitgeist

[Philip Withnall <pwithnall src gnome org>]

commit 6c1a249efc56d7a39467303948d02cd87e23239c
Author: coypu <coypu sdf org>
Date:   Wed Jan 27 18:21:18 2016 +0200

    build: Use portable test for zeitgeist
    
    https://bugzilla.gnome.org/show_bug.cgi?id=761192

 configure.ac |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 1d39785..d0f8c6a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -302,7 +302,7 @@ case "x$enable_zeitgeist" in
     AC_MSG_ERROR([Unknown --enable-zeitgeist argument: $enable_zeitgeist])
 esac
 
-AS_IF([test "x$have_zeitgeist" == "xyes"], [
+AS_IF([test "x$have_zeitgeist" = "xyes"], [
    ZEITGEIST_VALAFLAGS="-D HAVE_ZEITGEIST"
    AC_SUBST([ZEITGEIST_VALAFLAGS])
    ZEITGEIST_PKG="--pkg zeitgeist-2.0"
@@ -456,7 +456,7 @@ AS_IF([test "x$enable_vala" = "xyes"], [
 
         AS_IF([test x$enable_telepathy_backend = xyes], [
           VALA_CHECK_PACKAGES([telepathy-glib])
-         AS_IF([test "x$have_zeitgeist" == "xyes"], [
+         AS_IF([test "x$have_zeitgeist" = "xyes"], [
              VALA_CHECK_PACKAGES([zeitgeist-2.0])
          ])
         ])