conf: fix snippet to ignore /dev/input/mouse* on Linux

Added '*' to match any and all mouse devices.

Signed-off-by: Daniel Kurtz <djkurtz@google.com>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
diff --git a/conf/50-synaptics.conf b/conf/50-synaptics.conf
index 2c32923..5ec7e78 100644
--- a/conf/50-synaptics.conf
+++ b/conf/50-synaptics.conf
@@ -21,6 +21,6 @@
         Identifier "touchpad ignore duplicates"
         MatchIsTouchpad "on"
         MatchOS "Linux"
-        MatchDevicePath "/dev/input/mouse"
+        MatchDevicePath "/dev/input/mouse*"
         Option "Ignore" "on"
 EndSection