ShadowIsLord has posted a fix which works nicely for this little Bug some time ago.
see Issue #16
since no one else seems to be caring about the issue tracker 
, i’ll commit it if no one has any objections.
Index: LWJGLFogState.java
--- LWJGLFogState.java Base (BASE)
+++ LWJGLFogState.java Locally Modified (Based On LOCAL)
@@ -66,6 +66,7 @@
// Check for support of fog coords.
supportsFogCoords = supportsFogCoordsDetected = GLContext
.getCapabilities().GL_EXT_fog_coord;
+ inited = true;
}
}
Index: JOGLFogState.java
--- JOGLFogState.java Base (BASE)
+++ JOGLFogState.java Locally Modified (Based On LOCAL)
@@ -67,6 +67,7 @@
if (!inited) {
// Check for support of fog coords.
supportsFogCoords = supportsFogCoordsDetected = caps.GL_EXT_fog_coord;
+ inited = true;
}
}