FIX: unreferenced local variable warning

Author: Oldes

src/core/f-blocks.c

@@ -120,7 +120,6 @@
 ***********************************************************************/
 {
 	REBVAL *val;
-	REBSER *ser;
 	REBU64 ts;
 
 	for (; index < tail; index++) {

src/core/f-enbase.c

@@ -769,7 +769,6 @@ static REBU64 base36_powers[BASE36_LENGTH] = {
 	const REBYTE* cp;
 	REBSER* ser;
 	REBCNT ser_size;
-	REBCNT chunk;
 	REBINT pad = 0;
 	REBU64 c = 0;
 	REBINT i, d = 0;