scrub out whitespace issues

Run script that removes trailing whitespace everywhere.
diff --git a/lib/libnetlink.c b/lib/libnetlink.c
index 245c4ca..a90e52c 100644
--- a/lib/libnetlink.c
+++ b/lib/libnetlink.c
@@ -158,7 +158,7 @@
 			struct nlmsgerr *err = (struct nlmsgerr*)NLMSG_DATA(h);
 			if (h->nlmsg_len < NLMSG_LENGTH(sizeof(struct nlmsgerr)))
 				fprintf(stderr, "ERROR truncated\n");
-			else 
+			else
 				errno = -err->error;
 			return -1;
 		}