configure: don't set tcc_lddir="lib64" if cpu="x86"

diff -urN tinycc.git.old/configure tinycc.git/configure
--- tinycc.git.old/configure	2015-01-14 15:13:39.000000000 +0300
+++ tinycc.git/configure	2015-01-14 15:27:20.000000000 +0300
@@ -324,7 +324,7 @@
       if test -f "/usr/lib/$triplet/crti.o" ; then
         tcc_lddir="lib"
         multiarch_triplet="$triplet"
-      elif test -f "/usr/lib64/crti.o" ; then
+      elif test "$cpu" != "x86" -a -f "/usr/lib64/crti.o" ; then
         tcc_lddir="lib64"
       fi