Fix not being able to move with 0/0 encumbrance (Fixes #1979)

apps/openmw/mwclass/npc.cpp

@@ -927,7 +927,7 @@ namespace MWClass
                                     gmst.fAthleticsRunBonus->getFloat() + gmst.fBaseRunMultiplier->getFloat());
 
         float moveSpeed;
-        if(normalizedEncumbrance >= 1.0f)
+        if(getEncumbrance(ptr) > getCapacity(ptr))
             moveSpeed = 0.0f;
         else if(mageffects.get(ESM::MagicEffect::Levitate).getMagnitude() > 0 &&
                 world->isLevitationEnabled())

apps/openmw/mwinput/inputmanagerimp.cpp

@@ -385,7 +385,7 @@ namespace MWInput
                 {
                     MWWorld::Ptr player = MWBase::Environment::get().getWorld ()->getPlayerPtr();
                     mOverencumberedMessageDelay -= dt;
-                    if (player.getClass().getEncumbrance(player) >= player.getClass().getCapacity(player))
+                    if (player.getClass().getEncumbrance(player) > player.getClass().getCapacity(player))
                     {
                         mPlayer->setAutoMove (false);
                         if (mOverencumberedMessageDelay <= 0)