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-rw-r--r--src/base/tl/base.hpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/base/tl/base.hpp b/src/base/tl/base.hpp
index 238cfaea..c202de79 100644
--- a/src/base/tl/base.hpp
+++ b/src/base/tl/base.hpp
@@ -1,3 +1,5 @@
+#ifndef TL_FILE_BASE_HPP
+#define TL_FILE_BASE_HPP
 
 #include <base/system.h>
 
@@ -13,3 +15,5 @@ inline void swap(T &a, T &b)
 	b = a;
 	a = c;
 }
+
+#endif