Fixed invalid #ifs in vtkByteSwap.

vtkByteSwap was looking for obsolete variables to add overloads for
long long or __int64. Fixed it using the same pattern as vtkType.h.

Common/Core/vtkByteSwap.cxx

@@ -245,11 +245,11 @@ VTK_BYTE_SWAP_IMPL(unsigned char)
 VTK_BYTE_SWAP_IMPL(unsigned short)
 VTK_BYTE_SWAP_IMPL(unsigned int)
 VTK_BYTE_SWAP_IMPL(unsigned long)
-#if defined(VTK_IMPL_USE_LONG_LONG)
+#if defined(VTK_TYPE_USE_LONG_LONG)
 VTK_BYTE_SWAP_IMPL(long long)
 VTK_BYTE_SWAP_IMPL(unsigned long long)
 #endif
-#if defined(VTK_IMPL_USE___INT64)
+#if defined(VTK_TYPE_USE___INT64)
 VTK_BYTE_SWAP_IMPL(__int64)
 VTK_BYTE_SWAP_IMPL(unsigned __int64)
 #endif

Common/Core/vtkByteSwap.h

@@ -54,11 +54,11 @@ public:
   VTK_BYTE_SWAP_DECL(unsigned short);
   VTK_BYTE_SWAP_DECL(unsigned int);
   VTK_BYTE_SWAP_DECL(unsigned long);
-#if defined(VTK_DECL_USE_LONG_LONG)
+#if defined(VTK_TYPE_USE_LONG_LONG)
   VTK_BYTE_SWAP_DECL(long long);
   VTK_BYTE_SWAP_DECL(unsigned long long);
 #endif
-#if defined(VTK_DECL_USE___INT64)
+#if defined(VTK_TYPE_USE___INT64)
   VTK_BYTE_SWAP_DECL(__int64);
   VTK_BYTE_SWAP_DECL(unsigned __int64);
 #endif