removed trailing return

hsbt · hsbt · commit c82950687a44 · 2016-11-12T08:51:59.000+09:00
diff --git a/ext/syck/extconf.rb b/ext/syck/extconf.rb
@@ -2,4 +2,3 @@
 
 have_header( "st.h" )
 create_makefile( "syck" )
-
