Added #include guards.

[plomrogue] / src / yx_uint16.h

diff --git a/src/yx_uint16.h b/src/yx_uint16.h
index c1479c0054c1c035b03b437c190fed0253514f77..a8707618cadb8ed1e8309f46ee960d5478962261 100644 (file)
--- a/src/yx_uint16.h
+++ b/src/yx_uint16.h
@@ -1,6 +1,10 @@
+#ifndef YX_UINT16_H
+#define YX_UINT16_H
+
 struct yx_uint16 {
   uint16_t y;
   uint16_t x; };
 
 extern char yx_uint16_cmp (struct yx_uint16, struct yx_uint16);
 
+#endif