Linux: update base/third_party/xdg_mime from upstream.

base/third_party/xdg_mime/xdgmimeint.c

Index: base/third_party/xdg_mime/xdgmimeint.c
===================================================================
--- base/third_party/xdg_mime/xdgmimeint.c	(revision 150109)
+++ base/third_party/xdg_mime/xdgmimeint.c	(working copy)
@@ -26,7 +26,7 @@
  */
 
 #ifdef HAVE_CONFIG_H
-#include "config.h"
+#include <config.h>
 #endif
 
 #include "xdgmimeint.h"
@@ -189,3 +189,18 @@
     }
 }
 
+const char *
+_xdg_binary_or_text_fallback(const void *data, size_t len)
+{
+  unsigned char *chardata;
+  int i;
+
+  chardata = (unsigned char *) data;
+  for (i = 0; i < 32 && i < len; ++i)
+    {
+       if (chardata[i] < 32 && chardata[i] != 9 && chardata[i] != 10 && chardata[i] != 13)
+         return XDG_MIME_TYPE_UNKNOWN; /* binary data */
+    }
+
+  return XDG_MIME_TYPE_TEXTPLAIN;
+}