[libdmapsharing] Fix declarations that were wrong for 32-bit builds

[W. Michael Petullo <wmpetullo src gnome org>]

commit 9a83e643f12dc2daad23efab0c96c2cca100a99a
Author: W. Michael Petullo <mike flyn org>
Date:   Tue Jun 30 19:16:17 2020 -0500

    Fix declarations that were wrong for 32-bit builds

 libdmapsharing/dmap-av-share.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/libdmapsharing/dmap-av-share.c b/libdmapsharing/dmap-av-share.c
index f024b40..69070f1 100644
--- a/libdmapsharing/dmap-av-share.c
+++ b/libdmapsharing/dmap-av-share.c
@@ -1643,7 +1643,7 @@ START_TEST(_databases_items_xxx_test)
        char path[PATH_MAX + 1];
        DmapDb *db = NULL;
        DmapRecord *record = NULL;
-       guint64 size1 = 0, size2 = 0;
+       gsize size1 = 0, size2 = 0;
        const guint8 *contents1;
        char *location, *contents2, *etag_out;
        GFile *file;