Eliminate warnings in ARM build

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@883 42af7a65-404d-4744-a932-0658087f49c3

netutils/tftpc/tftpc_get.c

@@ -262,7 +262,7 @@ int tftpget(const char *remote, const char *local, in_addr_t addr, boolean binar
               /* Parse the incoming DATA packet */
 
               if (nbytesrecvd < TFTP_DATAHEADERSIZE ||
-                  tftp_parsedatapacket(packet, &opcode, &blockno) != OK ||
+                  tftp_parsedatapacket(packet, &opcode, &rblockno) != OK ||
                   blockno != rblockno)
                 {
                   nvdbg("Parse failure\n");

netutils/tftpc/tftpc_put.c

@@ -96,7 +96,7 @@ static inline int tftp_incrndx(int ndx)
 static inline ssize_t tftp_read(int fd, ubyte *buf, size_t buflen)
 {
   ssize_t nbytesread;
-  ssize_t totalread;
+  ssize_t totalread = 0;
 
   while (totalread < buflen)
     {