Correct error check in CCTK_TraverseString

Previously the code would abort if there were no variables to decompose


git-svn-id: http://svn.einsteintoolkit.org/cactus/EinsteinAnalysis/Multipole/trunk@75 4f5cb9a8-4dd8-4c2d-9bbd-173fa4467843

1 files changed, 1 insertions, 1 deletions

diff --git a/src/multipole.cc b/src/multipole.cc
index 8a6a6ea..cc8111e 100644
--- a/src/multipole.cc
+++ b/src/multipole.cc
@@ -89,7 +89,7 @@ static void parse_variables_string(const string &var_string, variable_desc v[max
   vars.vars = v;
 
   int ierr = CCTK_TraverseString(var_string.c_str(), fill_variable, &vars, CCTK_GROUP_OR_VAR);
-  assert(ierr > 0);
+  assert(ierr >= 0);
 
   *n_variables = vars.n_vars;
 }