build: fix detection of AMD Kn host cpu

Not that anyone noticed in all these years, so
the check is probably bogus.

diff --git a/m4/as-host-defines.m4 b/m4/as-host-defines.m4
index 3a93006..7223c51 100644 (file)
--- a/m4/as-host-defines.m4
+++ b/m4/as-host-defines.m4
@@ -11,7 +11,7 @@ dnl AS_HOST_DEFINES()
 AC_DEFUN([AS_HOST_DEFINES],
 [
   case "x${host_cpu}" in
-    xi?86 | k?)
+    xi?86 | xk?)
       HAVE_I386=yes
       AC_DEFINE(HAVE_I386, 1, [Defined if host is i386])
       ;;