Merge pull request reingart#137 from GerardoAllende/1

nsis: add missing file.close()

Author: reingart

nsis.py

@@ -304,6 +304,7 @@ def create(self, pathname="base.nsi"):
                 ),
             }
         )
+        ofi.close()
 
     def compile(self, pathname="base.nsi"):
         os.startfile(pathname, "compile")