[qet] [2741] bugfix, rotate text crash qet

[subversion@xxxxxxxxxxxxx]

Revision: 2741
Author:   blacksun
Date:     2014-01-13 21:26:04 +0100 (Mon, 13 Jan 2014)
Log Message:
-----------
bugfix, rotate text crash qet

Modified Paths:
--------------
    trunk/sources/diagramcommands.cpp

Modified: trunk/sources/diagramcommands.cpp
===================================================================
--- trunk/sources/diagramcommands.cpp	2014-01-13 20:11:04 UTC (rev 2740)
+++ trunk/sources/diagramcommands.cpp	2014-01-13 20:26:04 UTC (rev 2741)
@@ -734,7 +734,8 @@
 */
 RotateTextsCommand::RotateTextsCommand(const QList<DiagramTextItem *> &texts, double applied_rotation, QUndoCommand *parent) :
 	QUndoCommand(parent),
-	applied_rotation_angle_(applied_rotation)
+	applied_rotation_angle_(applied_rotation),
+	diagram(texts.first()->diagram())
 {
 	foreach(DiagramTextItem *text, texts) {
 		texts_to_rotate.insert(text, text -> rotationAngle());