Fix bug with weechat_plugin_end() function, now returns "int" everywhere

src/plugins/scripts/lua/weechat-lua.c

@@ -459,7 +459,7 @@ weechat_plugin_init (struct t_weechat_plugin *plugin)
  * weechat_plugin_end: shutdown Lua interface
  */
 
-void
+int
 weechat_plugin_end (struct t_weechat_plugin *plugin)
 {
     /* make C compiler happy */
@@ -467,4 +467,6 @@ weechat_plugin_end (struct t_weechat_plugin *plugin)
     
     /* unload all scripts */
     weechat_lua_unload_all ();
+    
+    return WEECHAT_RC_OK;
 }

src/plugins/scripts/perl/weechat-perl.c

@@ -610,7 +610,7 @@ weechat_plugin_init (struct t_weechat_plugin *plugin)
  * weechat_plugin_end: end Perl plugin
  */
 
-void
+int
 weechat_plugin_end (struct t_weechat_plugin *plugin)
 {
     /* make C compiler happy */
@@ -628,4 +628,6 @@ weechat_plugin_end (struct t_weechat_plugin *plugin)
 	perl_main = NULL;
     }
 #endif
+    
+    return WEECHAT_RC_OK;
 }

src/plugins/scripts/python/weechat-python.c

@@ -649,7 +649,7 @@ weechat_plugin_init (struct t_weechat_plugin *plugin)
  * weechat_plugin_end: shutdown Python interface
  */
 
-void
+int
 weechat_plugin_end (struct t_weechat_plugin *plugin)
 {
     /* make C compiler happy */
@@ -674,4 +674,6 @@ weechat_plugin_end (struct t_weechat_plugin *plugin)
                         weechat_gettext ("%s%s: unable to free interpreter"),
                         weechat_prefix ("error"), "python");
     }
+    
+    return WEECHAT_RC_OK;
 }

src/plugins/scripts/ruby/weechat-ruby.c

@@ -701,7 +701,7 @@ weechat_plugin_init (struct t_weechat_plugin *plugin)
  * weechat_plugin_end: shutdown Ruby interface
  */
 
-void
+int
 weechat_plugin_end (struct t_weechat_plugin *plugin)
 {
     /* make C compiler happy */
@@ -711,4 +711,6 @@ weechat_plugin_end (struct t_weechat_plugin *plugin)
     weechat_ruby_unload_all ();
     
     ruby_finalize();
+    
+    return WEECHAT_RC_OK;
 }