Fix travis build error and warnings

apps/openmw/mwclass/door.cpp

@@ -121,9 +121,8 @@ namespace MWClass
             MWRender::Animation* animation = MWBase::Environment::get().getWorld()->getAnimation(ptr);
 
             const MWWorld::ESMStore& store = MWBase::Environment::get().getWorld()->getStore();            
-            const ESM::MagicEffect *effect;
-            int index = effect->effectStringToId("sEffectTelekinesis");
-            effect = store.get<ESM::MagicEffect>().find(index);
+            int index = ESM::MagicEffect::effectStringToId("sEffectTelekinesis");
+            const ESM::MagicEffect *effect = store.get<ESM::MagicEffect>().find(index);
 
             animation->addSpellCastGlow(effect); // TODO: Telekinesis glow should only be as long as the door animation
         }

apps/openmw/mwrender/animation.cpp

@@ -183,11 +183,6 @@ namespace
             return mDone;
         }
 
-        int getTexUnit()
-        {
-            return mTexUnit;
-        }
-
         void setWatchedSpellGlow(osg::ref_ptr<GlowUpdater> watched)
         {
             mWatchedSpellGlow = watched;
@@ -1190,7 +1185,7 @@ namespace MWRender
 
     void Animation::addSpellCastGlow(const ESM::MagicEffect *effect){
 
-        osg::Vec4f glowColor = {1,1,1,1};
+        osg::Vec4f glowColor(1,1,1,1);
         glowColor.x() = effect->mData.mRed / 255.f;
         glowColor.y() = effect->mData.mGreen / 255.f;
         glowColor.z() = effect->mData.mBlue / 255.f;