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-rw-r--r--src/bltGrElemOp.C4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/bltGrElemOp.C b/src/bltGrElemOp.C
index 1571217..458d13d 100644
--- a/src/bltGrElemOp.C
+++ b/src/bltGrElemOp.C
@@ -26,10 +26,12 @@
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
+#include <assert.h>
+#include <X11/Xutil.h>
+
#include "bltGraph.h"
#include "bltOp.h"
#include "bltChain.h"
-#include <X11/Xutil.h>
#include <bltDataTable.h>
#define GRAPH_KEY "BLT Graph Data"