Index: /trunk/ab5.0/ablib/src/gl/glu.sbp
===================================================================
--- /trunk/ab5.0/ablib/src/gl/glu.sbp	(revision 534)
+++ /trunk/ab5.0/ablib/src/gl/glu.sbp	(revision 535)
@@ -1,4 +1,8 @@
-Function gluErrorStringWIN(errCode As GLenum) As PSTR
-	gluErrorStringWIN = gluErrorString(errCode) As PSTR
+Function gluErrorStringWIN(errCode As GLenum) As PTSTR
+#ifndef UNICODE
+	gluErrorStringWIN = gluErrorString(errCode) As PTSTR
+#else
+	gluErrorStringWIN = gluErrorUnicodeStringEXT(errCode) As PTSTR
+#endif
 End Function