Index: /trunk/Mars/mcore/fits.h
===================================================================
--- /trunk/Mars/mcore/fits.h	(revision 19404)
+++ /trunk/Mars/mcore/fits.h	(revision 19405)
@@ -306,5 +306,5 @@
 
                 std::istringstream sin(fmt);
-                int n = 0;
+                size_t n = 0;
                 sin >> n;
                 if (!sin)
@@ -344,5 +344,5 @@
                 }
 
-                const Table::Column col = { i, bytes, size_t(n), size, n*size, type, unit, comm, compress };
+                const Table::Column col = { i, bytes, n, size, n*size, type, unit, comm, compress };
 
                 cols[id] = col;
