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-rw-r--r--src/bltGrMarkerPolygon.C2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/bltGrMarkerPolygon.C b/src/bltGrMarkerPolygon.C
index 50339d4..1dbb3ce 100644
--- a/src/bltGrMarkerPolygon.C
+++ b/src/bltGrMarkerPolygon.C
@@ -27,6 +27,8 @@
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
+#include <stdlib.h>
+
#include "bltGraph.h"
#include "bltGrMarkerPolygon.h"
#include "bltGrMarkerOption.h"