update version numbers (Klaus Niederkrueger)
diff --git a/doxygen/swrast_setup.doxy b/doxygen/swrast_setup.doxy
index 2e870a5..d6cefd3 100644
--- a/doxygen/swrast_setup.doxy
+++ b/doxygen/swrast_setup.doxy
@@ -4,7 +4,7 @@
 # General configuration options
 #---------------------------------------------------------------------------
 PROJECT_NAME           = "Mesa swrast_setup"
-PROJECT_NUMBER         = 4.1
+PROJECT_NUMBER         = 5.1
 OUTPUT_DIRECTORY       = 
 OUTPUT_LANGUAGE        = English
 EXTRACT_ALL            = YES