From 552b7ca3fc4640facdd14a841169156901822907 Mon Sep 17 00:00:00 2001
From: Elias Naur <elias.naur@gmail.com>
Date: Mon, 31 Jul 2006 01:22:33 +0000
Subject: [PATCH] Linux: Don't free already freed XIC and XIM instances in
 LinuxKeyboard

---
 src/java/org/lwjgl/opengl/LinuxKeyboard.java | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/java/org/lwjgl/opengl/LinuxKeyboard.java b/src/java/org/lwjgl/opengl/LinuxKeyboard.java
index 1ac57963..0b336943 100644
--- a/src/java/org/lwjgl/opengl/LinuxKeyboard.java
+++ b/src/java/org/lwjgl/opengl/LinuxKeyboard.java
@@ -144,8 +144,10 @@ final class LinuxKeyboard {
 	private static native ByteBuffer allocateComposeStatus();
 
 	public void destroy() {
-		destroyIC(xic);
-		closeIM(xim);
+		if (xic != 0)
+			destroyIC(xic);
+		if (xim != 0)
+			closeIM(xim);
 	}
 	private static native void destroyIC(long xic);
 	private static native void closeIM(long xim);