File gcc15.patch of Package freesynd

diff --git a/utils/src/file.cpp b/utils/src/file.cpp
index 736277e..539284a 100644
--- a/utils/src/file.cpp
+++ b/utils/src/file.cpp
@@ -31,6 +31,7 @@
 #include <iostream>
 #include <fstream>
 #include <sstream>
+#include <algorithm>
 
 #ifdef _WIN32
 #include <windows.h>