Makefile.defs: version set to 5.3.0

- new major release

src/Makefile.defs

@@ -106,8 +106,8 @@ INSTALL_FLAVOUR=$(FLAVOUR)
 # version number
 VERSION = 5
 PATCHLEVEL = 3
-SUBLEVEL =  0
-EXTRAVERSION = -rc1
+SUBLEVEL = 0
+EXTRAVERSION = 
 
 # memory manager switcher
 # 0 - f_malloc (fast malloc)