resolve trivial issues found by cppcheck
[server/shadow/X11/x11_shadow.c:511]: (error) Uninitialized variable: x
[server/shadow/X11/x11_shadow.c:512]: (error) Uninitialized variable: y
@@ -440,7 +440,7 @@ static int x11_shadow_pointer_alpha_update(x11ShadowSubsystem* subsystem)
static int x11_shadow_query_cursor(x11ShadowSubsystem* subsystem, BOOL getImage)
{
- int x, y, n, k;
+ int x = 0, y = 0, n, k;
rdpShadowServer* server;
rdpShadowSurface* surface;
server = subsystem->server;
