Stupid typo in the pthread_t test
diff --git a/configure.in b/configure.in
index 0824a92..e276c6f 100644
--- a/configure.in
+++ b/configure.in
@@ -477,7 +477,7 @@
# if have pthread_t then define SIZEOF_PTHREAD_T
AC_MSG_CHECKING(for pthread_t)
have_pthread_t=no
-AC_TRY_COMPILE([#include <pthread.h>], [pthread_t x; x = *(pthread_t)*0;], have_pthread_t=yes)
+AC_TRY_COMPILE([#include <pthread.h>], [pthread_t x; x = *(pthread_t*)0;], have_pthread_t=yes)
AC_MSG_RESULT($have_pthread_t)
if test "$have_pthread_t" = yes ; then
# AC_CHECK_SIZEOF() doesn't include <pthread.h>.