setup in sorcery-argon2-1.2.0

- old
+ new

@@ -8,7 +8,8 @@
 git submodule update --init --recursive
 
 # Build the Argon2 C Library. Git submodules must be initialized first!
 bundle install
 cd ext/argon2_wrap/
+ruby extconf.rb
 make
 cd ../..