xf86-video-nvidia-legacy: add patch for kernel 4.3 support

packages/x11/driver/xf86-video-nvidia-legacy/patches/xf86-video-nvidia-legacy-0003-kernel-4.3rc5.patch

@@ -0,0 +1,28 @@
+--- a/kernel/nv-procfs.c       2015-10-18 04:32:24.214891836 +0100
++++ b/kernel/nv-procfs.c       2015-10-18 04:33:01.611081468 +0100
+@@ -607,7 +607,12 @@
+     registry_keys = ((nvl != NULL) ?
+             nvl->registry_keys : nv_registry_keys);
+ 
++#if LINUX_VERSION_CODE < KERNEL_VERSION(4,3,0)
+     return seq_printf(s, "Binary: \"%s\"\n", registry_keys);
++#else
++    seq_printf(s, "Binary: \"%s\"\n", registry_keys);
++    return 0;
++#endif
+ }
+ 
+ static ssize_t
+@@ -674,7 +679,12 @@
+     void *v
+ )
+ {
++#if LINUX_VERSION_CODE < KERNEL_VERSION(4,3,0)
+     return seq_puts(s, s->private);
++#else
++    seq_puts(s, s->private);
++    return 0;
++#endif
+ }
+ 
+ NV_DEFINE_PROCFS_SINGLE_FILE(text_file);