Fix Windows compilation

[libs/core.git] / source / strings / utils.cpp

diff --git a/source/strings/utils.cpp b/source/strings/utils.cpp
index a67eb15b1f4b2b738fecc1b40bc60e7e9e3a97f3..416188ec3d574e71caaecf2fa4353eaff8f67564 100644 (file)
--- a/source/strings/utils.cpp
+++ b/source/strings/utils.cpp
@@ -1,6 +1,7 @@
 #include <algorithm>
 #include <list>
 #include <stdexcept>
+#include <cctype>
 #include "utils.h"
 
 using namespace std;