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-rw-r--r--src/blueshift_w32gdi_c.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/blueshift_w32gdi_c.h b/src/blueshift_w32gdi_c.h
index c6c6909..540930b 100644
--- a/src/blueshift_w32gdi_c.h
+++ b/src/blueshift_w32gdi_c.h
@@ -14,6 +14,10 @@
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+#ifndef BLUESHIFT_W32GDI_C_H
+#define BLUESHIFT_W32GDI_C_H
+
+
#include <stdio.h>
#include <stdlib.h>
@@ -74,3 +78,6 @@ int blueshift_w32gdi_apply(int use_crtc, uint16_t* rgb_curves);
*/
void blueshift_w32gdi_close(void);
+
+#endif
+