debian: Symbols update for libWutil2

In commit e1453087f57... the function copy_file() was renamed to
wcopy_file(), then the symbols file needs to be updated.

The changelog includes a new debian bug closed.

debian/changelog

@@ -1,6 +1,6 @@
-wmaker (0.95.1-1) unstable; urgency=low
+wmaker (0.95.1+20120131-1) unstable; urgency=low
 
-  * New upstream version 0.95.1
+  * New upstream version 0.95.1 [Closes: #304480]
   * Patch debian/52_architectures.diff is now included in upstream.
     - The patch file was deleted.
   * The WINGs's file proplist-compat.h is removed in upstream.

debian/libwutil2.symbols

@@ -197,7 +197,7 @@ libWUtil.so.2 libwutil2 #MINVER#
  W_InitNotificationCenter@Base 0.95.0
  _WINGS_progname@Base 0.95.0
  __wmessage@Base 0.95.0
- copy_file@Base 0.95.1
+ wcopy_file@Base 0.95.1
  destroyNode@Base 0.95.0
  wdefaultspathfordomain@Base 0.95.0
  wexpandpath@Base 0.95.0