Use a syntax that Make likes

diff --git a/Makefile b/Makefile
index fc57326132209aeb9b117b02a02eb160382935a6..831877f22bbb177e2e3477e50ee91eb5a210e7b1 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -4,7 +4,7 @@ SUBLEVEL = 27
 EXTRAVERSION = .15
 NAME = Trembling Tortoise
 
-EXTRAVERSION = $(EXTRAVERSION)-zb5s
+EXTRAVERSION := $(EXTRAVERSION)-zb5s
 
 # *DOCUMENTATION*
 # To see a list of typical targets execute "make help"