Avoid compiler warning

git-svn-id: http://svn.cactuscode.org/arrangements/CactusBase/Boundary/trunk@326 6a38eb6e-646e-4a02-a296-d141613ad6c4

1 files changed, 1 insertions, 1 deletions

diff --git a/src/Check.c b/src/Check.c
index 0bf0a75..f99b6a8 100644
--- a/src/Check.c
+++ b/src/Check.c
@@ -133,7 +133,7 @@ void BndSanityCheckWidths(const cGH *GH,
       char *fullname = CCTK_FullName (varindex);
       const char dims[3] = "xyz";
       const char *cond = boundary_widths[i] < 0 ? "<0" : ">100";
-      assert (dim < sizeof(dims));
+      assert (dim < (int)sizeof(dims));
       CCTK_VError (__LINE__, __FILE__, CCTK_THORNSTRING,
                    "Tried to register a physical boundary condition \"%s\" for variable \"%s\" with a boundary zone width %s in the %c direction -- this looks like an error.",
                    bcname, fullname, cond, dims[dim]);