Chomp file ends

Removed empty lines from end of src/*.[ch] files.
If the new last line became '#endif'
was the condition of the '#if' added.

src/netlink.c

@@ -402,6 +402,4 @@ static unsigned nl_async(struct nlmsghdr *h, unsigned state)
     }
   return state;
 }
-#endif
-
-      
+#endif /* HAVE_LINUX_NETWORK */