progs/demos: Remove unnecessary header from isosurf.c.

diff --git a/progs/demos/isosurf.c b/progs/demos/isosurf.c
index dd5696507bb7a18de1cde9ac97392961f5f464b8..d9e50a3c19dac9930ed3bcf5e9ae28ef9f3a9ae7 100644 (file)
--- a/progs/demos/isosurf.c
+++ b/progs/demos/isosurf.c
@@ -27,7 +27,6 @@
 #include <stdio.h>
 #include <string.h>
 #include <stdlib.h>
-#include <string.h>
 #include <math.h>
 #ifdef _WIN32
 #include <windows.h>