Remove compile warnings:

  warning: variable ‘lastch’ set but not used [-Wunused-but-set-variable]
  warning: variable ‘buf’ set but not used [-Wunused-but-set-variable]

Author: cjbj

ext/ftp/ftp.c

@@ -790,7 +790,6 @@ int
 ftp_get(ftpbuf_t *ftp, php_stream *outstream, const char *path, ftptype_t type, long resumepos TSRMLS_DC)
 {
 	databuf_t		*data = NULL;
-	int			lastch;
 	size_t			rcvd;
 	char			arg[11];
 
@@ -828,7 +827,6 @@ ftp_get(ftpbuf_t *ftp, php_stream *outstream, const char *path, ftptype_t type,
 		goto bail;
 	}
 
-	lastch = 0;
 	while ((rcvd = my_recv(ftp, data->fd, data->buf, FTP_BUFSIZE))) {
 		if (rcvd == -1) {
 			goto bail;
@@ -1187,12 +1185,9 @@ ftp_readline(ftpbuf_t *ftp)
 int
 ftp_getresp(ftpbuf_t *ftp)
 {
-	char *buf;
-
 	if (ftp == NULL) {
 		return 0;
 	}
-	buf = ftp->inbuf;
 	ftp->resp = 0;
 
 	while (1) {