[retro-gtk] meson: fix soname symlinks

[Adrien Plazas <aplazas src gnome org>]

commit 250df6a4480dc677fc9906bfabc829f3b0da4ab4
Author: Jeremy Bicha <jbicha ubuntu com>
Date:   Sat Mar 10 09:30:34 2018 -0500

    meson: fix soname symlinks

 retro-gtk/meson.build | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/retro-gtk/meson.build b/retro-gtk/meson.build
index 6f5ec69..17c6f9b 100644
--- a/retro-gtk/meson.build
+++ b/retro-gtk/meson.build
@@ -106,6 +106,7 @@ retro_gtk_lib = shared_library(
   dependencies: retro_gtk_deps,
   include_directories: confinc,
   install: true,
+  soversion: 0,
 )
 
 retro_gtk_gir_args = [