Merge branch 'init_door' into 'master'

Add default initializers for ESM::Position and ESM4::TeleportDest::flags

See merge request OpenMW/openmw!3105

components/esm/defs.hpp

@@ -42,10 +42,10 @@ namespace ESM
     // Position and rotation
     struct Position
     {
-        float pos[3];
+        float pos[3]{};
 
         // In radians
-        float rot[3];
+        float rot[3]{};
 
         osg::Vec3f asVec3() const { return osg::Vec3f(pos[0], pos[1], pos[2]); }
 

components/esm4/loadrefr.cpp

@@ -103,6 +103,8 @@ void ESM4::Reference::load(ESM4::Reader& reader)
                 reader.get(mDoor.destPos);
                 if (esmVer == ESM::VER_094 || esmVer == ESM::VER_170 || isFONV)
                     reader.get(mDoor.flags); // not in Obvlivion
+                else
+                    mDoor.flags = 0;
                 // std::cout << "REFR  dest door: " << formIdToString(mDoor.destDoor) << std::endl;// FIXME
                 break;
             }

components/esm4/loadrefr.hpp

@@ -60,7 +60,7 @@ namespace ESM4
     {
         FormId destDoor;
         ESM::Position destPos;
-        std::uint32_t flags; // 0x01 no alarm (only in TES5)
+        std::uint32_t flags = 0; // 0x01 no alarm (only in TES5)
     };
 
     struct RadioStationData