Better range check for keycodes on X11

diff --git a/src/arch/InputHandler/InputHandler_X11.cpp b/src/arch/InputHandler/InputHandler_X11.cpp
index 697e002..acb8fc4 100755 (executable)
--- a/src/arch/InputHandler/InputHandler_X11.cpp
+++ b/src/arch/InputHandler/InputHandler_X11.cpp
@@ -118,7 +118,7 @@ static RageKeySym XSymToKeySym( int key )
        }
 
        /* 0...31: */
-       if( key - 0xFF00 < 0x20)
+       if( key >= 0xFF00 && key < 0xFF20)
                return ASCIIKeySyms[key - 0xFF00];
 
        return KEY_INVALID;