- Fixed a compile issue with serial.c

SKIPPED:
	psi/libpsi.a
	psi/scontroller.c
	psi/serial.c
	psi/hardsup/libhlib.a
	psi/tecs/libtecsl.a

sics.h

@@ -17,7 +17,7 @@
 
 /* the following line suppresses const declarations in tcl.h.
    -> makes the compiler happy M.Z. */
-#define NO_CONST
+/* #define NO_CONST */
 
 #include <stdlib.h>
 #include <string.h>