[PATCH 0 of 2] Tiny optimizations for pure builds

[Dan Villiom Podlaski Christiansen]

Hi,

These two patches are minor optimizations for the pure
modules. Unfortunately, a pure build doesn't currently pass all tests,
but at least they don't change that...

The following test currently fails a pure build:

--- /Users/danchr/src/opensrc/vcs/mercurial/tests/test-verify.t
+++ /Users/danchr/src/opensrc/vcs/mercurial/tests/test-verify.t.err
@@ -78,11 +78,10 @@
   checking manifests
   crosschecking files in changesets and manifests
   checking files
-   a at 0: broken revlog! (index data/a.i is corrupted)
-  warning: orphan revlog 'data/a.i'
+   0: empty or missing a
+   a at 0: b80de5d13875 in manifests not found
   1 files, 1 changesets, 0 total revisions
-  1 warnings encountered!
-  1 integrity errors encountered!
+  2 integrity errors encountered!
   (first damaged changeset appears to be 0)
   [1]