added an #error in case anybody tries to compile that broken code.

git-svn-id: svn://svn.berlios.de/openocd/trunk@404 b42882b7-edfa-0310-969c-e2dbd0fdcd60

src/target/arm_jtag.c

@@ -76,6 +76,7 @@ int arm_jtag_scann(arm_jtag_t *jtag_info, u32 new_scan_chain)
 		field.out_mask = NULL;
 		field.in_value = NULL;
 #ifdef _ARM_JTAG_SCAN_N_CHECK_
+#error FIX!!! this is broken, scan_n_check_value goes out of scope.
 		jtag_set_check_value(&field, &scan_n_check_value, NULL, NULL, NULL);
 #else
 		field.in_handler = NULL;