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-rw-r--r--src/post/visualizations/fftscope.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/post/visualizations/fftscope.c b/src/post/visualizations/fftscope.c
index 2c6297a44..ccff59634 100644
--- a/src/post/visualizations/fftscope.c
+++ b/src/post/visualizations/fftscope.c
@@ -23,6 +23,10 @@
* FFT code by Steve Haehnichen, originally licensed under GPL v1
*/
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
#include <stdio.h>
#include <math.h>