diff --git a/drivers/net/ni52.h b/drivers/net/ni52.h
index 68f1917..a33ea08 100644
--- a/drivers/net/ni52.h
+++ b/drivers/net/ni52.h
@@ -11,7 +11,7 @@
  *   Garret A. Wollman's i82586-driver for BSD
  */
 
- 
+
 #define NI52_RESET     0  /* writing to this address, resets the i82586 */
 #define NI52_ATTENTION 1  /* channel attention, kick the 586 */
 #define NI52_TENA      3  /* 2-5 possibly wrong, Xmit enable */
@@ -151,7 +151,7 @@
 /*
  * Receive Buffer Descriptor (RBD)
  */
-struct rbd_struct 
+struct rbd_struct
 {
   unsigned short status;	/* status word,number of used bytes in buff */
   unsigned short next;		/* pointeroffset to next RBD */
@@ -203,7 +203,7 @@
 /*
  * IA Setup command
  */
-struct iasetup_cmd_struct 
+struct iasetup_cmd_struct
 {
   unsigned short cmd_status;
   unsigned short cmd_cmd;
@@ -212,7 +212,7 @@
 };
 
 /*
- * Configure command 
+ * Configure command
  */
 struct configure_cmd_struct
 {
@@ -234,9 +234,9 @@
 };
 
 /*
- * Multicast Setup command 
+ * Multicast Setup command
  */
-struct mcsetup_cmd_struct 
+struct mcsetup_cmd_struct
 {
   unsigned short cmd_status;
   unsigned short cmd_cmd;
@@ -257,9 +257,9 @@
 };
 
 /*
- * transmit command 
+ * transmit command
  */
-struct transmit_cmd_struct 
+struct transmit_cmd_struct
 {
   unsigned short cmd_status;
   unsigned short cmd_cmd;