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-rw-r--r--src/particleemitterprop.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/particleemitterprop.h b/src/particleemitterprop.h
index 24d302404..6196a1eca 100644
--- a/src/particleemitterprop.h
+++ b/src/particleemitterprop.h
@@ -20,6 +20,9 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+#ifndef PARTICLEEMITTERPROP_H
+#define PARTICLEEMITTERPROP_H
+
#include <cmath>
#include <cstdlib>
@@ -125,3 +128,5 @@ template <typename T> struct ParticleEmitterProp final
int changePeriod;
int changePhase;
};
+
+#endif // PARTICLEEMITTERPROP_H