whole lotta shit clion made me do

include/gpu_metrics.hpp

@@ -1,3 +1,6 @@
+#ifndef GPU_METRICS_HPP
+#define GPU_METRICS_HPP
+
 #include <cstdint>
 
 /* STRUCTS COPIED WHOLESALE FROM LINUX SOURCE CODE, formatted and wrapped around a namespace
@@ -792,4 +795,6 @@ struct gpu_metrics_v3_0 {
     /* Metrics table alpha filter time constant [us] */
     uint32_t time_filter_alphavalue;
 };
-}  // namespace gpu
+}  // namespace gpu
+
+#endif