Init structs to make sure that we do not store a random data

apps/openmw/mwworld/worldmodel.cpp

@@ -53,23 +53,20 @@ namespace MWWorld
 
         const ESM::Cell* createEsmCell(ESM::ExteriorCellLocation location, ESMStore& store)
         {
-            ESM::Cell record;
+            ESM::Cell record = {};
             record.mData.mFlags = ESM::Cell::HasWater;
             record.mData.mX = location.mX;
             record.mData.mY = location.mY;
-            record.mWater = 0;
-            record.mMapColor = 0;
             record.updateId();
             return store.insert(record);
         }
 
         const ESM4::Cell* createEsm4Cell(ESM::ExteriorCellLocation location, ESMStore& store)
         {
-            ESM4::Cell record;
+            ESM4::Cell record = {};
             record.mParent = location.mWorldspace;
             record.mX = location.mX;
             record.mY = location.mY;
-            record.mCellFlags = 0;
             return store.insert(record);
         }
 

components/esm4/reader.cpp

@@ -169,8 +169,8 @@ namespace ESM4
         , currCellGrid(FormId{ 0, 0 })
         , cellGridValid(false)
     {
-        subRecordHeader.typeId = 0;
+        recordHeader = {};
-        subRecordHeader.dataSize = 0;
+        subRecordHeader = {};
     }
 
     Reader::Reader(Files::IStreamPtr&& esmStream, const std::filesystem::path& filename, VFS::Manager const* vfs,