[evince] Update Poppler to 0.88.0

[Germán Poo-Caamaño <gpoo src gnome org>]

commit 2cb8817857ccff7670a48907a80f91d5d0052818
Author: Casey Jao <casey jao gmail com>
Date:   Mon May 4 09:17:08 2020 -0400

    Update Poppler to 0.88.0

 build-aux/flatpak/org.gnome.Evince.json | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/build-aux/flatpak/org.gnome.Evince.json b/build-aux/flatpak/org.gnome.Evince.json
index 48d5c4cb..508e8cab 100644
--- a/build-aux/flatpak/org.gnome.Evince.json
+++ b/build-aux/flatpak/org.gnome.Evince.json
@@ -94,8 +94,8 @@
             "sources" : [
                 {
                     "type" : "archive",
-                    "url" : "https://poppler.freedesktop.org/poppler-0.82.0.tar.xz";,
-                    "sha256" : "234f8e573ea57fb6a008e7c1e56bfae1af5d1adf0e65f47555e1ae103874e4df"
+                    "url" : "https://poppler.freedesktop.org/poppler-0.88.0.tar.xz";,
+                   "sha256" : "b4453804e9a5a519e6ceee0ac8f5efc229e3b0bf70419263c239124474d256c7"
                 }
             ]
         },