whitespace cleanups

Remove trailing whitespace.
Make sure there is space after keywords.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>

ip/ipmaddr.c

@@ -153,7 +153,7 @@ static void read_igmp(struct ma_info **result_p)
 		ma = malloc(sizeof(m));
 		if (ma == NULL)
 			break;
-			
+
 		memcpy(ma, &m, sizeof(m));
 		maddr_ins(result_p, ma);
 	}

lib/mpls_ntop.c

@@ -40,7 +40,7 @@ static const char *mpls_ntop1(const struct mpls_label *addr, char *buf, size_t b
 
 const char *mpls_ntop(int af, const void *addr, char *buf, size_t buflen)
 {
-	switch(af) {
+	switch (af) {
 	case AF_MPLS:
 		errno = 0;
 		return mpls_ntop1((struct mpls_label *)addr, buf, buflen);

lib/mpls_pton.c

@@ -49,7 +49,7 @@ int mpls_pton(int af, const char *src, void *addr, size_t alen)
 	unsigned int maxlabels = alen / sizeof(struct mpls_label);
 	int err;
 
-	switch(af) {
+	switch (af) {
 	case AF_MPLS:
 		errno = 0;
 		err = mpls_pton1(src, (struct mpls_label *)addr, maxlabels);

rdma/stat.c

@@ -443,7 +443,7 @@ static int stat_get_auto_mode_mask(struct rd *rd)
 		}
 
 		mode = strtok_r(NULL, delim, &saved_ptr);
-	} while(1);
+	} while (1);
 
 	if (mask)
 		rd_arg_inc(rd);

tc/q_netem.c

@@ -419,7 +419,7 @@ random_loss_model:
 			dist_data = calloc(sizeof(dist_data[0]), MAX_DIST);
 			if (dist_data == NULL)
 				return -1;
-			
+
 			dist_size = get_distribution(*argv, dist_data, MAX_DIST);
 			if (dist_size <= 0) {
 				free(dist_data);