Fix installation bugs

Change-Id: I15fc3f027f548acea6026f16c83568fffcae71ba
diff --git a/Makefile.PL b/Makefile.PL
index f278586..1b99119 100644
--- a/Makefile.PL
+++ b/Makefile.PL
@@ -37,5 +37,5 @@
 	  't/sgbr/*.t ' .
 	    't/real/*.t'
 	  },
-  EXE_FILES => ['script/korapxml2krill']
+  EXE_FILES => ['script/korapxml2krill', 'script/korapxml2krill_dir']
 );