Fixed bug in FreeBSD pthread-config test.

Thanks to Dan Nelson <dnelson@emsphone.com>.

Rev: src/configure.in:1.357

src/configure.in

-AC_REVISION("$Id: configure.in,v 1.356 2000/03/27 10:47:36 grubba Exp $")
+AC_REVISION("$Id: configure.in,v 1.357 2000/03/27 17:05:32 grubba Exp $")
 AC_INIT(interpret.c)
 AC_CONFIG_HEADER(machine.h)
 
@@ -1370,7 +1370,7 @@ int main(int argc, char **argv)
         AC_MSG_RESULT(yes)
 
         AC_PATH_PROG(PTHREAD_CONFIG,pthread-config,no)
-        if [ "x$PTHREAD_CONFIG" = xno ]; then
+        if test "x$PTHREAD_CONFIG" = xno ; then
           CFLAGS="${CFLAGS} -pthread"
           LD_FALLBACK_FLAGS="${LD_FALLBACK_FLAGS-} -lc_r"
         else