remove spaces before tabs at the beginning of lines (^( )+\t)

src/include/linux/netlink.h

@@ -29,7 +29,7 @@ struct sockaddr_nl
 	sa_family_t	nl_family;	/* AF_NETLINK	*/
 	unsigned short	nl_pad;		/* zero		*/
 	__u32		nl_pid;		/* process pid	*/
-       	__u32		nl_groups;	/* multicast groups mask */
+	__u32		nl_groups;	/* multicast groups mask */
 };
 
 struct nlmsghdr

src/include/linux/rtnetlink.h

@@ -941,7 +941,7 @@ extern void __rta_fill(struct sk_buff *skb, int attrtype, int attrlen, const voi
 #define RTA_PUT(skb, attrtype, attrlen, data) \
 ({	if (unlikely(skb_tailroom(skb) < (int)RTA_SPACE(attrlen))) \
 		 goto rtattr_failure; \
-   	__rta_fill(skb, attrtype, attrlen, data); })
+	__rta_fill(skb, attrtype, attrlen, data); })
 
 #define RTA_APPEND(skb, attrlen, data) \
 ({	if (unlikely(skb_tailroom(skb) < (int)(attrlen))) \
@@ -1038,7 +1038,7 @@ __rta_reserve(struct sk_buff *skb, int attrtype, int attrlen)
 #define __RTA_PUT(skb, attrtype, attrlen) \
 ({ 	if (unlikely(skb_tailroom(skb) < (int)RTA_SPACE(attrlen))) \
 		goto rtattr_failure; \
-   	__rta_reserve(skb, attrtype, attrlen); })
+	__rta_reserve(skb, attrtype, attrlen); })
 
 extern void rtmsg_ifinfo(int type, struct net_device *dev, unsigned change);
 

src/include/linux/udp.h

@@ -45,7 +45,7 @@ struct udp_sock {
 	struct inet_sock inet;
 	int		 pending;	/* Any pending frames ? */
 	unsigned int	 corkflag;	/* Cork is required */
-  	__u16		 encap_type;	/* Is this an Encapsulation socket? */
+	__u16		 encap_type;	/* Is this an Encapsulation socket? */
 	/*
 	 * Following member retains the infomation to create a UDP header
 	 * when the socket is uncorked.