[ 1735043 ] AutoCompletion: drop down box is showed even if i press Caps

http://sourceforge.net/tracker/index.php?func=detail&aid=1735043&group_id=176962&atid=879332

client/src/org/compiere/grid/ed/AutoCompletion.java

@@ -43,6 +43,11 @@ public class AutoCompletion extends PlainDocument {
         });
         editorKeyListener = new KeyAdapter() {
             public void keyPressed(KeyEvent e) {
+        		//	Ignore keys that do not alter the text - teo_sarca [ 1735043 ]
+        		if (e.getKeyChar() == KeyEvent.CHAR_UNDEFINED) {
+        			return;
+        		}
+        		
                 if (comboBox.isDisplayable()) comboBox.setPopupVisible(true);
                 hitBackspace=false;
                 switch (e.getKeyCode()) {