Fix compiler warning (signed vs. unsigned)

diff --git a/src/mg_schematic.cpp b/src/mg_schematic.cpp
index d203a7105b45975e77b0a6826c5f91e4ee420ddb..bb60cf5fd2f7a713d316c71cb5cbd576b9c8e1de 100644 (file)
--- a/src/mg_schematic.cpp
+++ b/src/mg_schematic.cpp
@@ -57,7 +57,8 @@ void Schematic::updateContentIds()
 
        flags |= SCHEM_CIDS_UPDATED;
 
-       for (size_t i = 0; i != size.X * size.Y * size.Z; i++)
+       size_t bufsize = size.X * size.Y * size.Z;
+       for (size_t i = 0; i != bufsize; i++)
                schemdata[i].setContent(c_nodes[schemdata[i].getContent()]);
 }