Don't build non-PIC i386 assembly code.

Index: configure.in
--- configure.in.orig
+++ configure.in
@@ -22,9 +22,6 @@ dnl Checks for libraries.
 AC_MSG_CHECKING(blowfish object)
 AC_SUBST(BFOBJ)
 case "$target" in
-i386-*-*)
- AC_MSG_RESULT(bf-586.o)
- BFOBJ=bf-586.o ;;
 *)
  AC_MSG_RESULT(bf_enc.o)
  BFOBJ=bf_enc.o;;