kbx: Increase size of field for fingerprint.

* kbx/keybox-search-desc.h (fpr): Increase the size.

--

In the function keydb_search_fpr in g10/keydb.c, it is copied using
MAX_FINGERPRINT_LEN.  So, more size is required.

Fixes-commit: ecbbafb88d
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>

kbx/keybox-search-desc.h

@@ -69,7 +69,7 @@ struct keydb_search_desc
   int snlen;  /* -1 := sn is a hex string */
   union {
     const char *name;
-    unsigned char fpr[24];
+    unsigned char fpr[32];
     u32 kid[2]; /* Note that this is in native endianness.  */
     unsigned char grip[20];
   } u;