[metacity] theme: make meta_button_state_to_string static

[Alberts Muktupāvels <muktupavels src gnome org>]

commit ccf902ed251edc94efd6d414b4bde291cc7c1804
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Sun Jan 24 01:23:09 2016 +0200

    theme: make meta_button_state_to_string static

 src/ui/theme-private.h |    1 -
 src/ui/theme.c         |   40 ++++++++++++++++++++--------------------
 2 files changed, 20 insertions(+), 21 deletions(-)
---
diff --git a/src/ui/theme-private.h b/src/ui/theme-private.h
index a7dfa25..3a5e7ab 100644
--- a/src/ui/theme-private.h
+++ b/src/ui/theme-private.h
@@ -874,7 +874,6 @@ gboolean               meta_theme_lookup_color_constant        (MetaTheme
                                                                 const char                  *name,
                                                                 char                       **value);
 
-const char            *meta_button_state_to_string             (MetaButtonState              state);
 MetaButtonType         meta_button_type_from_string            (const char                  *str,
                                                                 MetaTheme                   *theme);
 const char            *meta_button_type_to_string              (MetaButtonType               type);
diff --git a/src/ui/theme.c b/src/ui/theme.c
index 68cc607..39909dc 100644
--- a/src/ui/theme.c
+++ b/src/ui/theme.c
@@ -4628,6 +4628,26 @@ meta_frame_style_apply_scale (const MetaFrameStyle *style,
                                    MAX (size * style->layout->title_scale, 1));
 }
 
+static const char*
+meta_button_state_to_string (MetaButtonState state)
+{
+  switch (state)
+    {
+    case META_BUTTON_STATE_NORMAL:
+      return "normal";
+    case META_BUTTON_STATE_PRESSED:
+      return "pressed";
+    case META_BUTTON_STATE_PRELIGHT:
+      return "prelight";
+    case META_BUTTON_STATE_LAST:
+      break;
+    default:
+      break;
+    }
+
+  return "<unknown>";
+}
+
 gboolean
 meta_frame_style_validate (MetaFrameStyle    *style,
                            guint              current_theme_version,
@@ -6547,26 +6567,6 @@ meta_pango_font_desc_get_text_height (const PangoFontDescription *font_desc,
   return retval;
 }
 
-const char*
-meta_button_state_to_string (MetaButtonState state)
-{
-  switch (state)
-    {
-    case META_BUTTON_STATE_NORMAL:
-      return "normal";
-    case META_BUTTON_STATE_PRESSED:
-      return "pressed";
-    case META_BUTTON_STATE_PRELIGHT:
-      return "prelight";
-    case META_BUTTON_STATE_LAST:
-      break;
-    default:
-      break;
-    }
-
-  return "<unknown>";
-}
-
 MetaButtonType
 meta_button_type_from_string (const char *str, MetaTheme *theme)
 {