[shotwell] Revert accidental dependency change

[Jens Georg <jensgeorg src gnome org>]

commit 5b7a8754849ca8cd366508ed724f9b8e407e2fe7
Author: Jens Georg <mail jensge org>
Date:   Mon May 1 16:51:16 2017 +0200

    Revert accidental dependency change

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 7087bb9..028cbc7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -105,7 +105,7 @@ dnl Check for required packages
 dnl ***********************************************************************
 PKG_CHECK_MODULES(SHOTWELL, [
                              gee-0.8 >= 0.8.5
-                             gexiv2 >= 0.10.3
+                             gexiv2 >= 0.10.4
                              gio-unix-2.0 >= 2.20
                              glib-2.0 >= 2.40.0
                              gmodule-2.0 >= 2.24.0