Coverity fixes to keep coverity quiet.

Only the first issue is remotely interesting.

* Possibility (low) of using NULL SinkStream* courgette tool 'gen1a' command.

* Added initializers for all class members to several constructors.

* return 0 at end of from wmain.

BUG=none
TEST=existing

Review URL: http://codereview.chromium.org/155820

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@21253 0039d316-1c4b-4281-b951-d872f2087c98

diff --git a/courgette/adjustment_method_2.cc b/courgette/adjustment_method_2.cc
index f995748..49fcf49 100644
--- a/courgette/adjustment_method_2.cc
+++ b/courgette/adjustment_method_2.cc

@@ -1248,7 +1248,7 @@
 
 class Adjuster : public AdjustmentMethod {
  public:
-  Adjuster() {}
+  Adjuster() : prog_(NULL), model_(NULL) {}
   ~Adjuster() {}
 
   bool Adjust(const AssemblyProgram& model, AssemblyProgram* program) {