Makefile.defs: version set to 5.0.1

src/Makefile.defs

@@ -106,7 +106,7 @@ INSTALL_FLAVOUR=$(FLAVOUR)
 # version number
 VERSION = 5
 PATCHLEVEL = 0
-SUBLEVEL =  0
+SUBLEVEL =  1
 EXTRAVERSION = 
 
 # memory manager switcher