let compiler decide on copy elision
Fixes compiler errors with clang
| ../../frame-2.5.0/src/x11/device_x11.cpp:126:13: error: moving a temporary object prevents copy elision [-Werror,-Wpessimizing-move]
|             std::move(UniqueUFAxis(static_cast<oif::frame::UFAxis*>(axis)));
|             ^
| ../../frame-2.5.0/src/x11/device_x11.cpp:126:13: note: remove std::move call here
|             std::move(UniqueUFAxis(static_cast<oif::frame::UFAxis*>(axis)));
|             ^~~~~~~~~~                                                    ~
| 1 error generated.

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Upstream-Status: Pending

Index: frame-2.5.0/src/x11/device_x11.cpp
===================================================================
--- frame-2.5.0.orig/src/x11/device_x11.cpp
+++ frame-2.5.0/src/x11/device_x11.cpp
@@ -122,8 +122,7 @@ UFDeviceX11::UFDeviceX11(Display* displa
         UFAxis_* axis = new UFAxis(type, valuator_info->min, valuator_info->max,
                                    valuator_info->resolution);
 
-        axes_[type] =
-            std::move(UniqueUFAxis(static_cast<oif::frame::UFAxis*>(axis)));
+        axes_[type] = UniqueUFAxis(static_cast<oif::frame::UFAxis*>(axis));
 
         axis_map_[valuator_info->number] = type;