[gdk-pixbuf] gif: Remove unused variables

[Emmanuele Bassi <ebassi src gnome org>]

commit 98624bc91bad28bfb71f43db09aa7f93cdbfca73
Author: Robert Ancell <robert ancell canonical com>
Date:   Tue Jul 14 14:41:34 2020 +1200

    gif: Remove unused variables

 gdk-pixbuf/io-gif.c | 13 ++-----------
 1 file changed, 2 insertions(+), 11 deletions(-)
---
diff --git a/gdk-pixbuf/io-gif.c b/gdk-pixbuf/io-gif.c
index 38ec03d7b3..7441826819 100644
--- a/gdk-pixbuf/io-gif.c
+++ b/gdk-pixbuf/io-gif.c
@@ -94,7 +94,6 @@ struct _Gif89
 {
        int transparent;
        int delay_time;
-       int input_flag;
        int disposal;
 };
 
@@ -109,15 +108,12 @@ struct _GifContext
 
         gint global_colormap_size;
         unsigned int global_bit_pixel;
-       unsigned int global_color_resolution;
-        unsigned int background_index;
 
         gboolean frame_cmap_active;
         CMap frame_color_map;
         gint frame_colormap_size;
         unsigned int frame_bit_pixel;
 
-       unsigned int aspect_ratio;
        GdkPixbufGifAnim *animation;
        GdkPixbufFrame *frame;
        Gif89 gif89;
@@ -350,7 +346,6 @@ gif_get_extension (GifContext *context)
                                 * created the frame yet.
                                  */
                                context->gif89.disposal = (context->block_buf[0] >> 2) & 0x7;
-                               context->gif89.input_flag = (context->block_buf[0] >> 1) & 0x1;
                                context->gif89.delay_time = LM_to_uint (context->block_buf[1], 
context->block_buf[2]);
                                
                                if ((context->block_buf[0] & 0x1) != 0) {
@@ -624,10 +619,7 @@ gif_init (GifContext *context)
          * last 3:   size of colormap
          */
        context->global_bit_pixel = 2 << (buf[4] & 0x07);
-       context->global_color_resolution = (((buf[4] & 0x70) >> 3) + 1);
         context->has_global_cmap = (buf[4] & 0x80) != 0;
-       context->background_index = buf[5];
-       context->aspect_ratio = buf[6];
 
         context->animation->width = context->width;
         context->animation->height = context->height;
@@ -652,8 +644,8 @@ gif_init (GifContext *context)
        }
 
 #ifdef DUMP_IMAGE_DETAILS
-        g_print (">Image width: %d height: %d global_cmap: %d background: %d\n",
-                 context->width, context->height, context->has_global_cmap, context->background_index);
+        g_print (">Image width: %d height: %d global_cmap: %d\n",
+                 context->width, context->height, context->has_global_cmap);
 #endif
         
        return 0;
@@ -861,7 +853,6 @@ new_context (GdkPixbufModuleSizeFunc size_func,
        context->buf = g_new (guchar, context->amount_needed);
        context->gif89.transparent = -1;
        context->gif89.delay_time = -1;
-       context->gif89.input_flag = -1;
        context->gif89.disposal = -1;
         context->animation->loop = 1;
         context->in_loop_extension = FALSE;