[dia] win32: fix build

[Zander <zbrown src gnome org>]

commit ec6fc739cc3c9cff2a31666fed8fa58a778111b7
Author: Zander Brown <zbrown gnome org>
Date:   Sat Nov 30 16:51:42 2019 +0000

    win32: fix build

 lib/libdia.def | 8 ++++++++
 meson.build    | 3 ---
 2 files changed, 8 insertions(+), 3 deletions(-)
---
diff --git a/lib/libdia.def b/lib/libdia.def
index 3ba174bf..1714e3c4 100644
--- a/lib/libdia.def
+++ b/lib/libdia.def
@@ -198,12 +198,18 @@ EXPORTS
  dia_arrow_selector_get_type
  dia_arrow_selector_new
  dia_arrow_selector_set_arrow
+
+ dia_arrow_cell_renderer_new
+
  dia_assert_true
  dia_color_selector_get_color
 ; dia_color_selector_get_type
  dia_color_selector_new
  dia_color_selector_set_color
  dia_color_selector_set_use_alpha
+
+ dia_colour_cell_renderer_new
+
  dia_config_filename
 
  dia_context_add_message
@@ -316,6 +322,8 @@ EXPORTS
  dia_line_chooser_get_type
  dia_line_chooser_set_line_style
 
+ dia_line_cell_renderer_new
+
  dia_list_plugins
 
  dia_message_filename
diff --git a/meson.build b/meson.build
index 4fd5fc23..3e745141 100644
--- a/meson.build
+++ b/meson.build
@@ -97,9 +97,6 @@ test_c_args = [
   '-Wswitch-enum',
   '-Wunused-function',
 ]
-if get_option('buildtype') != 'plain'
-  test_c_args += '-fstack-protector-strong'
-endif
 
 foreach arg: test_c_args
   if cc.has_multi_arguments(arg)