Add missing #include <cstdlib>.

git-svn-id: http://svn.cactuscode.org/arrangements/CactusUtils/Formaline/trunk@145 83718e91-0e4f-0410-abf4-91180603181f

1 files changed, 1 insertions, 0 deletions

diff --git a/src/id.cc b/src/id.cc
index 26e47ae..77567cf 100644
--- a/src/id.cc
+++ b/src/id.cc
@@ -1,4 +1,5 @@
 #include <cctype>
+#include <cstdlib>
 #include <cstring>
 #include <fstream>
 #include <iomanip>