[gtk+] css: Fix compiler warnings

[Matthias Clasen <matthiasc src gnome org>]

commit 29ab70b801aded2b63a418b822c8636513d040b4
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat May 30 21:24:48 2015 -0400

    css: Fix compiler warnings
    
    Fix warnings due to -Wdeclaration-after-statement and -Wshadow.

 gtk/gtkcssimagewin32.c   |   12 ++++++------
 gtk/gtkcssinitialvalue.c |    8 +++++---
 gtk/gtkcssshadowvalue.c  |    8 ++++----
 3 files changed, 15 insertions(+), 13 deletions(-)
---
diff --git a/gtk/gtkcssimagewin32.c b/gtk/gtkcssimagewin32.c
index aa1f4af..9ebd2f3 100644
--- a/gtk/gtkcssimagewin32.c
+++ b/gtk/gtkcssimagewin32.c
@@ -41,18 +41,18 @@ gtk_css_image_win32_draw (GtkCssImage        *image,
   if (wimage->state2 >= 0)
     {
       cairo_surface_t *surface2;
-      cairo_t *cr;
+      cairo_t *cr2;
       int dx2, dy2;
 
       surface2 = _gtk_win32_theme_part_create_surface (wimage->theme, wimage->part2, wimage->state2, 
wimage->margins,
                                                       width, height, &dx2, &dy2);
 
-      cr = cairo_create (surface);
+      cr2 = cairo_create (surface);
 
-      cairo_set_source_surface (cr, surface2, dx2 - dx, dy2-dy);
-      cairo_paint_with_alpha (cr, wimage->over_alpha);
-      
-      cairo_destroy (cr);
+      cairo_set_source_surface (cr2, surface2, dx2 - dx, dy2-dy);
+      cairo_paint_with_alpha (cr2, wimage->over_alpha);
+
+      cairo_destroy (cr2);
 
       cairo_surface_destroy (surface2);
     }
diff --git a/gtk/gtkcssinitialvalue.c b/gtk/gtkcssinitialvalue.c
index 905fa9f..736e716 100644
--- a/gtk/gtkcssinitialvalue.c
+++ b/gtk/gtkcssinitialvalue.c
@@ -66,7 +66,6 @@ gtk_css_value_initial_compute (GtkCssValue             *value,
         {
           PangoFontDescription *description;
           char *font_name;
-          GtkCssValue *value;
 
           g_object_get (settings, "gtk-font-name", &font_name, NULL);
           description = pango_font_description_from_string (font_name);
@@ -76,9 +75,12 @@ gtk_css_value_initial_compute (GtkCssValue             *value,
 
           if (pango_font_description_get_set_fields (description) & PANGO_FONT_MASK_FAMILY)
             {
-              value = _gtk_css_array_value_new (_gtk_css_string_value_new (pango_font_description_get_family 
(description)));
+              GtkCssValue *val;
+
+              val = _gtk_css_array_value_new (_gtk_css_string_value_new (pango_font_description_get_family 
(description)));
               pango_font_description_free (description);
-              return value;
+
+              return val;
             }
  
           pango_font_description_free (description);
diff --git a/gtk/gtkcssshadowvalue.c b/gtk/gtkcssshadowvalue.c
index ffdc2b6..903027f 100644
--- a/gtk/gtkcssshadowvalue.c
+++ b/gtk/gtkcssshadowvalue.c
@@ -635,13 +635,13 @@ _gtk_css_shadow_value_paint_box (const GtkCssValue   *shadow,
 {
   GtkRoundedBox box, clip_box;
   double spread, radius, clip_radius, x, y, outside;
-  double x1, y1, x2, y2;
+  double x1c, y1c, x2c, y2c;
 
   g_return_if_fail (shadow->class == &GTK_CSS_VALUE_SHADOW);
 
-  cairo_clip_extents (cr, &x1, &y1, &x2, &y2);
-  if ((shadow->inset && !_gtk_rounded_box_intersects_rectangle (padding_box, x1, y1, x2, y2)) ||
-      (!shadow->inset && _gtk_rounded_box_contains_rectangle (padding_box, x1, y1, x2, y2)))
+  cairo_clip_extents (cr, &x1c, &y1c, &x2c, &y2c);
+  if ((shadow->inset && !_gtk_rounded_box_intersects_rectangle (padding_box, x1c, y1c, x2c, y2c)) ||
+      (!shadow->inset && _gtk_rounded_box_contains_rectangle (padding_box, x1c, y1c, x2c, y2c)))
     return;
 
   cairo_save (cr);