X-Git-Url: https://git.carlh.net/gitweb/?p=dcpomatic.git;a=blobdiff_plain;f=src%2Flib%2Fratio.h;fp=src%2Flib%2Fratio.h;h=5480eee124929b9f99239ea536a909a73ffdfe42;hp=6916a74912cdaa5c9c322312e867747b40d9f700;hb=89115db77729a2c99f1a09ff6a461720e16f889e;hpb=f8ad440cf187c517b7800f3efdfc0954025c4422

diff --git a/src/lib/ratio.h b/src/lib/ratio.h
index 6916a7491..5480eee12 100644
--- a/src/lib/ratio.h
+++ b/src/lib/ratio.h
@@ -17,6 +17,9 @@
 
 */
 
+#ifndef DCPOMATIC_RATIO_H
+#define DCPOMATIC_RATIO_H
+
 #include <vector>
 #include <libdcp/util.h>
 
@@ -64,3 +67,5 @@ private:
 
 	static std::vector<Ratio const *> _ratios;	
 };
+
+#endif