dont want to actually bump EXTRAVERSION

Rules.mak

@@ -78,7 +78,7 @@ export RUNTIME_PREFIX DEVEL_PREFIX KERNEL_HEADERS
 MAJOR_VERSION := 0
 MINOR_VERSION := 9
 SUBLEVEL      := 29
-EXTRAVERSION  := 4
+EXTRAVERSION  :=
 VERSION       := $(MAJOR_VERSION).$(MINOR_VERSION).$(SUBLEVEL)
 ifneq ($(EXTRAVERSION),)
 VERSION       := $(VERSION).$(EXTRAVERSION)