gcd tweak

[Bruno Haible]

Also, make it possible alias the 'gcd' symbol.

2006-10-10  Bruno Haible  <address@hidden>

        Make it possible to #define gcd to an alias.
        * lib/gcd.c: Include config.h.

*** gnulib-20061007/lib/gcd.c   2006-04-29 18:16:07.000000000 +0200
--- gnulib-20061007-modified/lib/gcd.c  2006-10-11 03:28:34.000000000 +0200
***************
*** 16,21 ****
--- 16,23 ----
     along with this program; if not, write to the Free Software Foundation,
     Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
  
+ #include <config.h>
+ 
  /* This file can also be used to define gcd functions for other unsigned
     types, such as 'unsigned long long' or 'uintmax_t'.  */
  #ifndef WORD_T