fix

app.cpp

@@ -349,8 +349,10 @@ int gymTrackerDo(Arena *arena, list<string> args) {
             GymLogEntry entry = {
                 getSystemUnixTime(),
                 exercise.id,
-                reps.result,
-                kg.result,
+                {
+                    reps.result,
+                    kg.result,
+                },
             };
 
             os_fileAppend(arena, LOG_FILE_LOCATION, (byte *)&entry, sizeof(entry));