Fixed X11 arrow cursor image.

Fixes #541.

README.md

@@ -78,6 +78,7 @@ GLFW bundles a number of dependencies in the `deps/` directory.
  - [X11] Bugfix: No fallback existed for missing `_NET_ACTIVE_WINDOW` support
  - [X11] Bugfix: Some significant window focus events were ignored
  - [X11] Bugfix: Auto-iconification of full screen windows was not implemented
+ - [X11] Bugfix: `GLFW_ARROW_CURSOR` selected the wrong cursor image
  - [WGL] Removed `GLFW_USE_DWM_SWAP_INTERVAL` compile-time option
  - [WGL] Bugfix: Swap interval was ignored when DWM was enabled
  - [GLX] Added dependency on `libdl` on systems where it provides `dlopen`

src/x11_window.c

@@ -114,7 +114,7 @@ static int translateCursorShape(int shape)
     switch (shape)
     {
         case GLFW_ARROW_CURSOR:
-            return XC_arrow;
+            return XC_left_ptr;
         case GLFW_IBEAM_CURSOR:
             return XC_xterm;
         case GLFW_CROSSHAIR_CURSOR: