Karl Tomlinson e8feab9b63 bug 726265 don't activate ELAN swipe hack unless ScanCode is zero r=heycam
On some hardware, GetKeyState(0xFF) returns negative even when Elantech
messages are not involved.  This change permits Page Up and Page Down keys
to function as expected on this hardware.

--HG--
extra : rebase_source : 175d6288bef78eea054fcf577a61cb18ea1f0061
extra : amend_source : 69c66a12e8f27331515f8a60f256a5ba663583bd
2016-01-07 17:31:35 +13:00
..