[gtk+] win32: Move init code into windows-specific code

[Benjamin Otte <otte src gnome org>]

commit 88b7dfdb1eebddf6be7ecd008b4419661480d645
Author: Benjamin Otte <otte redhat com>
Date:   Thu Feb 11 04:14:28 2016 +0100

    win32: Move init code into windows-specific code
    
    Avoids warnings about undefined functions on non-windows.

 gtk/gtkwin32theme.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/gtk/gtkwin32theme.c b/gtk/gtkwin32theme.c
index a430f99..167abf3 100644
--- a/gtk/gtkwin32theme.c
+++ b/gtk/gtkwin32theme.c
@@ -157,7 +157,7 @@ invalidate_win32_themes (GdkXEvent *xevent,
 }
 
 static void
-_gtk_win32_theme_init (void)
+gtk_win32_theme_init (void)
 {
   char *buf;
   char dummy;
@@ -224,6 +224,8 @@ gtk_win32_theme_get_htheme (GtkWin32Theme *theme)
   guint16 *wclass;
   char *lower;
   
+  gtk_win32_theme_init ();
+
   if (theme->htheme)
     return theme->htheme;
 
@@ -244,8 +246,6 @@ gtk_win32_theme_lookup (const char *classname)
 {
   GtkWin32Theme *theme;
 
-  _gtk_win32_theme_init ();
-
   theme = g_hash_table_lookup (themes_by_class, classname);
 
   if (theme != NULL)