update to version 4.0

src/glu/sgi/glu.def

@@ -1,5 +1,5 @@
 DESCRIPTION 'Mesa GLU (OpenGL work-alike) for Win32'
-VERSION 3.5
+VERSION 4.0
 
 EXPORTS
 	gluBeginCurve

src/mesa/drivers/osmesa/osmesa.def

@@ -1,5 +1,5 @@
 DESCRIPTION 'Mesa OSMesa lib for Win32'
-VERSION 3.5
+VERSION 4.0
 
 EXPORTS
 	OSMesaCreateContext

src/mesa/main/mesa.def

@@ -1,5 +1,5 @@
 DESCRIPTION 'Mesa (OpenGL work-alike) for Win32'
-VERSION 3.5
+VERSION 4.0
 
 EXPORTS
 	glAccum