Fix some uninitialised variables found by static analysis

apps/openmw/mwmechanics/character.cpp

@@ -654,6 +654,7 @@ CharacterController::CharacterController(const MWWorld::Ptr &ptr, MWRender::Anim
     , mAnimation(anim)
     , mIdleState(CharState_None)
     , mMovementState(CharState_None)
+    , mAdjustMovementAnimSpeed(false)
     , mHasMovedInXY(false)
     , mMovementAnimationControlled(true)
     , mDeathState(CharState_None)

apps/openmw/mwrender/renderingmanager.cpp

@@ -131,6 +131,10 @@ namespace MWRender
         , mRootNode(rootNode)
         , mResourceSystem(resourceSystem)
         , mFogDepth(0.f)
+        , mUnderwaterColor(fallback->getFallbackColour("Water_UnderwaterColor"))
+        , mUnderwaterWeight(fallback->getFallbackFloat("Water_UnderwaterColorWeight"))
+        , mUnderwaterFog(0.f)
+        , mUnderwaterIndoorFog(fallback->getFallbackFloat("Water_UnderwaterIndoorFog"))
         , mNightEyeFactor(0.f)
     {
         osg::ref_ptr<SceneUtil::LightManager> lightRoot = new SceneUtil::LightManager;
@@ -202,10 +206,6 @@ namespace MWRender
         updateProjectionMatrix();
         mStateUpdater->setFogEnd(mViewDistance);
 
-        mUnderwaterColor = fallback->getFallbackColour("Water_UnderwaterColor");
-        mUnderwaterWeight = fallback->getFallbackFloat("Water_UnderwaterColorWeight");
-        mUnderwaterIndoorFog = fallback->getFallbackFloat("Water_UnderwaterIndoorFog");
-
         mRootNode->getOrCreateStateSet()->addUniform(new osg::Uniform("near", mNearClip));
         mRootNode->getOrCreateStateSet()->addUniform(new osg::Uniform("far", mViewDistance));
     }

components/sceneutil/lightmanager.hpp

@@ -122,7 +122,9 @@ namespace SceneUtil
             , mLastFrameNumber(0)
         {}
         LightListCallback(const LightListCallback& copy, const osg::CopyOp& copyop = osg::CopyOp::SHALLOW_COPY)
-            : osg::Object(copy, copyop), osg::NodeCallback(copy, copyop), mLightManager(copy.mLightManager)
+            : osg::Object(copy, copyop), osg::NodeCallback(copy, copyop)
+            , mLightManager(copy.mLightManager)
+            , mLastFrameNumber(0)
         {}
 
         META_Object(NifOsg, LightListCallback)