libdpkg: Fix typo in Doxygen documentation

Signed-off-by: Niels Thykier <niels@thykier.net>
Signed-off-by: Guillem Jover <guillem@debian.org>

lib/dpkg/arch.c

@@ -51,7 +51,7 @@
  *
  * The function will abort if you pass it a NULL pointer.
  *
- * @param name The architectute name to verify.
+ * @param name The architecture name to verify.
  */
 const char *
 dpkg_arch_name_is_illegal(const char *name)