net/tftp.c: cosmetic: fix whitespace issues

This removes the following checkpatch issues:
 - ERROR: space prohibited before that close parenthesis ')'
 - ERROR: space required after that ';' (ctx:BxV)
 - ERROR: space required after that ',' (ctx:VxV)
 - ERROR: space required after that ';' (ctx:VxV)
 - ERROR: spaces required around that '<<=' (ctx:VxV)
 - ERROR: spaces required around that '<' (ctx:VxV)
 - ERROR: spaces required around that '=' (ctx:VxV)
 - ERROR: spaces required around that '+=' (ctx:VxV)
 - ERROR: spaces required around that '=' (ctx:VxW)
 - WARNING: please, no spaces at the start of a line
 - WARNING: space prohibited between function name and open parenthesis '('

Signed-off-by: Luca Ceresoli <luca.ceresoli@comelit.it>
Cc: Wolfgang Denk <wd@denx.de>

net/tftp.c

@@ -251,7 +251,8 @@ TftpSend (void)
 #ifdef CONFIG_MCAST_TFTP
 		/* My turn!  Start at where I need blocks I missed.*/
 		if (Multicast)
-			TftpBlock=ext2_find_next_zero_bit(Bitmap,(Mapsize*8),0);
+			TftpBlock = ext2_find_next_zero_bit(Bitmap,
+							    (Mapsize*8), 0);
 		/*..falling..*/
 #endif
 	case STATE_DATA:
@@ -341,7 +342,8 @@ TftpHandler(uchar *pkt, unsigned dest, IPaddr_t sip, unsigned src,
 		for (i = 0; i+8 < len; i++) {
 			if (strcmp((char*)pkt+i, "blksize") == 0) {
 				TftpBlkSize = (unsigned short)
-					simple_strtoul((char*)pkt+i+8,NULL,10);
+					simple_strtoul((char*)pkt+i+8, NULL,
+						       10);
 				debug("Blocksize ack: %s, %d\n",
 					(char*)pkt+i+8, TftpBlkSize);
 			}