configure: put all symlink creation together

Cc: Thomas Huth <thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

configure

@@ -1538,6 +1538,11 @@ for f in $LINKS ; do
     fi
 done
 
+# use included Linux headers for KVM architectures
+if test "$host_os" = "linux" && test -n "$linux_arch"; then
+  symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
+fi
+
 echo "# Automatically generated by configure - do not modify" > Makefile.prereqs
 
 # Mac OS X ships with a broken assembler
@@ -1605,11 +1610,6 @@ echo "GENISOIMAGE=$genisoimage" >> $config_host_mak
 echo "MESON=$meson" >> $config_host_mak
 echo "NINJA=$ninja" >> $config_host_mak
 echo "EXESUF=$EXESUF" >> $config_host_mak
-# use included Linux headers for KVM architectures
-if test "$host_os" = "linux" && test -n "$linux_arch"; then
-  symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
-fi
-
 if test "$default_targets" = "yes"; then
   echo "CONFIG_DEFAULT_TARGETS=y" >> $config_host_mak
 fi