Fix missing cast in rev.13162

diff --git a/src/SquidString.h b/src/SquidString.h
index 33262a242f9a57431c42fdd89c0e4ca77db1da2f..4e9c1d4a378357ae199a6c613c0843dfc2b3b61a 100644 (file)
--- a/src/SquidString.h
+++ b/src/SquidString.h
@@ -87,7 +87,7 @@ public:
     ~String();
 
     typedef size_t size_type; //storage size intentionally unspecified
-    const static size_type npos = -1;
+    const static size_type npos = static_cast<size_type>(-1);
 
     String &operator =(char const *);
     String &operator =(String const &);