From 4f0d658ce9f329c8b405c3cc349a27cbe84ed1e7 Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Thu, 28 May 2009 14:15:36 +0000
Subject: [PATCH] From Mathias Froehlich, "This frees some memory that is
 allocated by the X11 functions."

---
 src/osgViewer/GraphicsWindowX11.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/osgViewer/GraphicsWindowX11.cpp b/src/osgViewer/GraphicsWindowX11.cpp
index 049698ef6..83e12f94d 100644
--- a/src/osgViewer/GraphicsWindowX11.cpp
+++ b/src/osgViewer/GraphicsWindowX11.cpp
@@ -1407,6 +1407,8 @@ void GraphicsWindowX11::rescanModifierMapping()
             break;
         }
     }
+    XFree(mkm->modifiermap);
+    XFree(mkm);
 }
 
 void GraphicsWindowX11::flushKeyEvents()
@@ -1426,6 +1428,8 @@ void GraphicsWindowX11::getModifierMap(char* keymap) const
     {
         if (*m) keyMapSetKey(keymap, *m);
     }
+    XFree(mkm->modifiermap);
+    XFree(mkm);
 }
 
 int GraphicsWindowX11::getModifierMask() const
@@ -1440,6 +1444,8 @@ int GraphicsWindowX11::getModifierMask() const
             mask |= 1 << (i / mkm->max_keypermod);
         }
     }
+    XFree(mkm->modifiermap);
+    XFree(mkm);
     return mask;
 }