Fix a type warning on sprintf in IO/Legacy/vtkDataWriter

This commit fox a warning in vtkDataWriter
for a incorrect usage of sprintf with vtkIdType

Common/Core/vtkType.h

@@ -326,12 +326,14 @@ typedef long long vtkIdType;
 #  define VTK_SIZEOF_ID_TYPE VTK_SIZEOF_LONG_LONG
 #  define VTK_ID_MIN VTK_LONG_LONG_MIN
 #  define VTK_ID_MAX VTK_LONG_LONG_MAX
+#  define VTK_ID_TYPE_PRId "lld"
 # elif VTK_SIZEOF_LONG == 8
 typedef long vtkIdType;
 #  define VTK_ID_TYPE_IMPL VTK_LONG
 #  define VTK_SIZEOF_ID_TYPE VTK_SIZEOF_LONG
 #  define VTK_ID_MIN VTK_LONG_MIN
 #  define VTK_ID_MAX VTK_LONG_MAX
+#  define VTK_ID_TYPE_PRId "ld"
 # else
 #  error "VTK_USE_64BIT_IDS is ON but no 64-bit integer type is available."
 # endif
@@ -341,6 +343,7 @@ typedef int vtkIdType;
 # define VTK_SIZEOF_ID_TYPE VTK_SIZEOF_INT
 # define VTK_ID_MIN VTK_INT_MIN
 # define VTK_ID_MAX VTK_INT_MAX
+# define VTK_ID_TYPE_PRId "d"
 #endif
 
 /*--------------------------------------------------------------------------*/

IO/Legacy/vtkDataWriter.cxx

@@ -2145,14 +2145,8 @@ int vtkDataWriter::WriteFieldData(ostream *fp, vtkFieldData *f)
           buffer = new char[ strlen(array->GetName()) * 4 + 1];
           this->EncodeString(buffer, array->GetName(), true);
         }
-#ifdef VTK_USE_64BIT_IDS
-        sprintf(format, "%s %lld %lld %s\n", buffer, numComp, numTuples,
+        sprintf(format, "%s %" VTK_ID_TYPE_PRId " %" VTK_ID_TYPE_PRId " %s\n", buffer, numComp, numTuples,
                 "%s");
-#else // VTK_USE_64BIT_IDS
-        sprintf(format, "%s %ld %ld %s\n", buffer, numComp, numTuples,
-                "%s");
-#endif // VTK_USE_64BIT_IDS
-
         this->WriteArray(fp, array->GetDataType(), array, format, numTuples,
                          numComp);
         delete [] buffer;