Minor fix (tab, indent...) to respect source code style...

src/FILES

@@ -3,7 +3,7 @@ api/      - The code for the high-level wrapper API. Not needed if
 
 core/     - The core of the TPC/IP stack; protocol implementations,
             memory and buffer management, and the low-level raw API.
-	    
+
 include/  - lwIP include files.
 
 netif/    - Generic network interface device drivers are kept here,

src/include/lwip/netif.h

@@ -181,6 +181,6 @@ u8_t netif_is_up(struct netif *netif);
  * Set callback to be called when interface is brought up/down
  */
 void netif_set_status_callback( struct netif *netif, void (* status_callback)(struct netif *netif ));
-#endif	/* LWIP_NETIF_CALLBACK */
+#endif /* LWIP_NETIF_CALLBACK */
 
 #endif /* __LWIP_NETIF_H__ */

src/netif/FILES

@@ -21,5 +21,5 @@ loopif.c
 slipif.c
           A generic implementation of the SLIP (Serial Line IP)
           protocol. It requires a sio (serial I/O) module to work.
-	  
+
 ppp/      Point-to-Point Protocol stack

src/netif/ethernetif.c

@@ -103,7 +103,7 @@ low_level_output(struct netif *netif, struct pbuf *p)
   initiate transfer();
   
 #if ETH_PAD_SIZE
-  pbuf_header(p, -ETH_PAD_SIZE);			/* drop the padding word */
+  pbuf_header(p, -ETH_PAD_SIZE); /* drop the padding word */
 #endif
 
   for(q = p; q != NULL; q = q->next) {
@@ -116,7 +116,7 @@ low_level_output(struct netif *netif, struct pbuf *p)
   signal that packet should be sent();
 
 #if ETH_PAD_SIZE
-  pbuf_header(p, ETH_PAD_SIZE);			/* reclaim the padding word */
+  pbuf_header(p, ETH_PAD_SIZE); /* reclaim the padding word */
 #endif
   
 #if LINK_STATS
@@ -146,7 +146,7 @@ low_level_input(struct netif *netif)
   len = ;
 
 #if ETH_PAD_SIZE
-  len += ETH_PAD_SIZE;						/* allow room for Ethernet padding */
+  len += ETH_PAD_SIZE; /* allow room for Ethernet padding */
 #endif
 
   /* We allocate a pbuf chain of pbufs from the pool. */
@@ -155,7 +155,7 @@ low_level_input(struct netif *netif)
   if (p != NULL) {
 
 #if ETH_PAD_SIZE
-    pbuf_header(p, -ETH_PAD_SIZE);			/* drop the padding word */
+    pbuf_header(p, -ETH_PAD_SIZE); /* drop the padding word */
 #endif
 
     /* We iterate over the pbuf chain until we have read the entire
@@ -296,10 +296,9 @@ ethernetif_init(struct netif *netif)
     
   ethernetif = mem_malloc(sizeof(struct ethernetif));
   
-  if (ethernetif == NULL)
-  {
-  	LWIP_DEBUGF(NETIF_DEBUG, ("ethernetif_init: out of memory\n"));
-  	return ERR_MEM;
+  if (ethernetif == NULL) {
+    LWIP_DEBUGF(NETIF_DEBUG, ("ethernetif_init: out of memory\n"));
+    return ERR_MEM;
   }
 
 #if LWIP_NETIF_HOSTNAME