Remove trailing spaces in misc sources.

Change-Id: I573d4e816112b7401b3c824fbe773b85a8601531
diff --git a/proxy/proxy_common.h b/proxy/proxy_common.h
index 0a52810..da5c788 100644
--- a/proxy/proxy_common.h
+++ b/proxy/proxy_common.h
@@ -75,14 +75,14 @@
 
 /* this function is called to update the select file descriptor sets
  * with those of the proxified connection sockets that are currently managed */
-extern void  proxy_manager_select_fill( int     *pcount, 
-                                        fd_set*  read_fds, 
-                                        fd_set*  write_fds, 
+extern void  proxy_manager_select_fill( int     *pcount,
+                                        fd_set*  read_fds,
+                                        fd_set*  write_fds,
                                         fd_set*  err_fds);
 
 /* this function is called to act on proxified connection sockets when network events arrive */
-extern void  proxy_manager_poll( fd_set*  read_fds, 
-                                 fd_set*  write_fds, 
+extern void  proxy_manager_poll( fd_set*  read_fds,
+                                 fd_set*  write_fds,
                                  fd_set*  err_fds );
 
 /* this function checks that one can connect to a given proxy. It will simply try to connect()