And actually delete it

demos/pixbuf-init.c

@@ -1,20 +0,0 @@
-#include "config.h"
-#include <glib.h>
-
-#include <sys/stat.h>
-#include <stdlib.h>
-
-static gboolean
-file_exists (const char *filename)
-{
-  struct stat statbuf;
-
-  return stat (filename, &statbuf) == 0;
-}
-
-void
-pixbuf_init (void)
-{
-  if (file_exists ("../gdk-pixbuf/libpixbufloader-pnm.la"))
-    g_setenv ("GDK_PIXBUF_MODULE_FILE", "../gdk-pixbuf/loaders.cache", TRUE);
-}