[gssdp/gssdp_1.0] meson: Fix symbol exporting for sniffer

[Jens Georg <jensgeorg src gnome org>]

commit 6f30a0c030c06bdadc1e46b018073e55c85e2e6b
Author: Jens Georg <mail jensge org>
Date:   Fri Oct 26 20:56:44 2018 +0200

    meson: Fix symbol exporting for sniffer

 tools/meson.build | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/tools/meson.build b/tools/meson.build
index b865ba2..e207969 100644
--- a/tools/meson.build
+++ b/tools/meson.build
@@ -4,6 +4,7 @@ sniffer = executable('gssdp-device-sniffer',
                      ['gssdp-device-sniffer.c'],
                      dependencies : [gssdp, gtk],
                      install: true,
-                     c_args : '-DUI_DIR="@0@"'.format(sniffer_uidir)
+                     c_args : '-DUI_DIR="@0@"'.format(sniffer_uidir),
+                     export_dynamic: true
                      )
 install_data('gssdp-device-sniffer.ui', install_dir : sniffer_uidir)