CheckBasicStyle: Check number of empty lines between functions (#4267)

Add check for number of empty lines between functions and fix the corresponding failures

src/WorldStorage/NBTChunkSerializer.cpp

@@ -883,6 +883,10 @@ void cNBTChunkSerializer::AddItemFrameEntity(cItemFrame * a_ItemFrame)
 	m_Writer.EndCompound();
 }
 
+
+
+
+
 void cNBTChunkSerializer::AddLeashKnotEntity(cLeashKnot * a_LeashKnot)
 {
 	m_Writer.BeginCompound("");
@@ -892,6 +896,9 @@ void cNBTChunkSerializer::AddLeashKnotEntity(cLeashKnot * a_LeashKnot)
 }
 
 
+
+
+
 void cNBTChunkSerializer::AddPaintingEntity(cPainting * a_Painting)
 {
 	m_Writer.BeginCompound("");

src/WorldStorage/SchematicFileSerializer.cpp

@@ -50,7 +50,6 @@ bool cSchematicFileSerializer::LoadFromSchematicFile(cBlockArea & a_BlockArea, c
 
 
 
-
 bool cSchematicFileSerializer::LoadFromSchematicString(cBlockArea & a_BlockArea, const AString & a_SchematicData)
 {
 	// Uncompress the data:
@@ -105,7 +104,6 @@ bool cSchematicFileSerializer::SaveToSchematicFile(const cBlockArea & a_BlockAre
 
 
 
-
 bool cSchematicFileSerializer::SaveToSchematicString(const cBlockArea & a_BlockArea, AString & a_Out)
 {
 	// Serialize into NBT data:

src/WorldStorage/WSSAnvil.cpp

@@ -75,7 +75,6 @@ Since only the header is actually in the memory, this number can be high, but st
 
 
 
-
 ////////////////////////////////////////////////////////////////////////////////
 // cWSSAnvil:
 
@@ -476,6 +475,7 @@ bool cWSSAnvil::LoadChunkFromNBT(const cChunkCoords & a_Chunk, const cParsedNBT
 
 
 
+
 void cWSSAnvil::CopyNBTData(const cParsedNBT & a_NBT, int a_Tag, const AString & a_ChildName, char * a_Destination, size_t a_Length)
 {
 	int Child = a_NBT.FindChildByName(a_Tag, a_ChildName);
@@ -2081,6 +2081,7 @@ void cWSSAnvil::LoadArrowFromNBT(cEntityList & a_Entities, const cParsedNBT & a_
 
 
 
+
 void cWSSAnvil::LoadSplashPotionFromNBT(cEntityList & a_Entities, const cParsedNBT & a_NBT, int a_TagIdx)
 {
 	std::unique_ptr<cSplashPotionEntity> SplashPotion = cpp14::make_unique<cSplashPotionEntity>(nullptr, 0, 0, 0, Vector3d(0, 0, 0), cItem());