[dia: 58/105] #19: Windows build: add vs_module_defs to lib/meson.build.

[Zander <zbrown src gnome org>]

commit 144c31a2474e1dcef4be7b0fa50c3401686c4473
Author: Eduard Nicodei <eddnicodei gmail com>
Date:   Fri Jan 4 01:55:31 2019 +0000

    #19: Windows build: add vs_module_defs to lib/meson.build.
    
      - This is as per meson documentation and also in line with
        -export-symbols option from Makefile.am.

 lib/meson.build | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/lib/meson.build b/lib/meson.build
index 9d61b7c3..3ae775b2 100644
--- a/lib/meson.build
+++ b/lib/meson.build
@@ -137,6 +137,7 @@ libdia = library('dia',
     dependencies : libdia_deps,
     include_directories : configuration_inc,
     c_args : ['-Wall'],
+    vs_module_defs: files('libdia.def')[0],
     install : true,
     install_dir   : dialibdir
 )