Add stddef.h

vtereshkov · vtereshkov · commit c7d5d460fbb6 · 2022-01-06T00:27:11.000+03:00
diff --git a/umplot.c b/umplot.c
@@ -1,3 +1,4 @@
+#include <stddef.h>
 #include <float.h>
 #include <math.h>
 
