minor cleanups (unused variables etc)

rsync.c

@@ -147,7 +147,6 @@ static struct sum_struct *receive_sums(int f)
   struct sum_struct *s;
   int i;
   off_t offset = 0;
-  int block_len;
 
   s = (struct sum_struct *)malloc(sizeof(*s));
   if (!s) out_of_memory("receive_sums");
@@ -161,8 +160,6 @@ static struct sum_struct *receive_sums(int f)
     fprintf(FERROR,"count=%d n=%d rem=%d\n",
 	    s->count,s->n,s->remainder);
 
-  block_len = s->n;
-
   if (s->count == 0) 
     return(s);