Clean up from rsync+ patch; fix compiler warning.

sender.c

@@ -83,9 +83,9 @@ static struct sum_struct *receive_sums(int f)
 
 void send_files(struct file_list *flist,int f_out,int f_in)
 { 
-	int fd;
+	int fd = -1;
 	struct sum_struct *s;
-	struct map_struct *buf;
+	struct map_struct *buf = NULL;
 	STRUCT_STAT st;
 	char fname[MAXPATHLEN];  
 	int i;
@@ -195,9 +195,7 @@ void send_files(struct file_list *flist,int f_out,int f_in)
 			if (verbose > 2)
 				rprintf(FINFO,"send_files mapped %s of size %.0f\n",
 					fname,(double)st.st_size);
-		}
 
-		if (!read_batch) { /* dw */
 			write_int(f_out,i);
 	  
 			if (write_batch)