Fixed gcc warnings -Thanks Chris C

cputool.c

@@ -109,7 +109,7 @@ static struct cputool_pidlist_item *pidListItemNew(struct cputool_pidlist_item *
 
 /* Find last unused item, or create new */
 static struct cputool_pidlist_item *pidListItemGet(struct cputool_pidlist_item *pidList) {
-	struct cputool_pidlist_item *p, *last;
+	struct cputool_pidlist_item *p, *last = NULL;
 	struct cputool_pidlist_item *new = NULL;
 
 
@@ -473,7 +473,6 @@ int main (int argc, char *argv[]) {
 	uint32_t cpuLimit = 0;
 	double cpuLimitMultiplier;
 	double cpuPerHZ;
-	double clockPerCPULimit;
 	/* Load limit */
 	double loadLimit = 0.00;
 	/* bucket holding how many ticks we can consume */
@@ -654,7 +653,6 @@ int main (int argc, char *argv[]) {
 	/* CPU limit multiplier */
 	cpuLimitMultiplier = (float) cpuLimit / (float) 100;
 	cpuPerHZ = cpuLimitMultiplier * HZ;
-	clockPerCPULimit = cpuPerHZ * (double) CLOCK_PRECISION;
 
 	/* Set max tickBucket size & initialize tickBucket to that */
 	tickBucket = tickBucketMax = cpuPerHZ;