Doc: Add an hotkey for 'Run to Line'

Change-Id: I925fcf274e190f4ca59ac452d28cb206661a8522
Reviewed-by: Leena Miettinen <riitta-leena.miettinen@nokia.com>

doc/src/howto/creator-keyboard-shortcuts.qdoc

@@ -388,6 +388,9 @@
         \row
             \o Run to selected function
             \o Ctrl+F6
+        \row
+            \o Run to line
+            \o Ctrl+F10
     \endtable
 
     \section2 Project Keyboard Shortcuts