ivi-application: Hyphenate compound adjective surface-local

See https://lists.freedesktop.org/archives/wayland-devel/2016-April/028249.html.

Signed-off-by: Yong Bakos <ybakos@humanoriented.com>
Reviewed-by: Bryce Harrington <bryce@osg.samsung.com>

protocol/ivi-application.xml

@@ -47,7 +47,7 @@
         event it received.
 
         The width and height arguments specify the size of the window
-        in surface local coordinates.
+        in surface-local coordinates.
       </description>
       <arg name="width" type="int"/>
       <arg name="height" type="int"/>