fix a bug in plugin scripts : current_script was not set when exec a command

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

@@ -122,6 +122,7 @@ weechat_perl_exec (t_weechat_plugin *plugin,
     func = function;
     PERL_SET_CONTEXT (script->interpreter);
 #endif    
+    perl_current_script = script;
 
     dSP;
     ENTER;

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

@@ -70,6 +70,8 @@ weechat_python_exec (t_weechat_plugin *plugin,
     }
     
     ret = -1;
+    
+    python_current_script = script;
 
     rc = PyObject_CallFunction(evFunc, "ss", server == NULL ? "" : server, arguments == NULL ? "" : arguments);