Fix compilation under MSVC(VS2019)

public/Color.h

@@ -83,12 +83,12 @@ public:
 		return _color[index];
 	}
 
-	bool operator == (const Color &rhs)
+	bool operator == (const Color &rhs) const
 	{
 		return Q_memcmp( this, &rhs, sizeof(Color) ) == 0;
 	}
 
-	bool operator != (const Color &rhs)
+	bool operator != (const Color &rhs) const
 	{
 		return !(operator==(rhs));
 	}

public/tier0/memalloc.h

@@ -383,7 +383,7 @@ public:
 
 	#pragma warning(disable:4290)
 	#pragma warning(push)
-	#include <typeinfo.h>
+	#include <typeinfo>
 
 	// MEM_DEBUG_CLASSNAME is opt-in.
 	// Note: typeid().name() is not threadsafe, so if the project needs to access it in multiple threads

public/tier0/memoverride.cpp

@@ -203,12 +203,12 @@ ALLOC_CALL void *_realloc_base( void *pMem, size_t nSize )
 	return ReallocUnattributed( pMem, nSize );
 }
 
-ALLOC_CALL void *_recalloc_base( void *pMem, size_t nSize )
+ALLOC_CALL void *_recalloc_base( void *pMem, size_t nCount, size_t nSize )
 {
-	void *pMemOut = ReallocUnattributed( pMem, nSize );
+	void *pMemOut = ReallocUnattributed( pMem, nCount * nSize );
 	if ( !pMem )
 	{
-		memset( pMemOut, 0, nSize );
+		memset( pMemOut, 0, nCount * nSize);
 	}
 	return pMemOut;
 }
@@ -242,7 +242,7 @@ void * __cdecl _realloc_crt(void *ptr, size_t size)
 
 void * __cdecl _recalloc_crt(void *ptr, size_t count, size_t size)
 {
-	return _recalloc_base( ptr, size * count );
+	return _recalloc_base( ptr, size, count );
 }
 
 ALLOC_CALL void * __cdecl _recalloc ( void * memblock, size_t count, size_t size )