Fix ambiguity with size_t

diff --git a/src/string.cpp b/src/string.cpp
index 7f99d83..dd159d0 100644 (file)
--- a/src/string.cpp
+++ b/src/string.cpp
@@ -439,7 +439,7 @@ char& String::operator[](size_t i)
 {
    if (i >= strlen(p->s))
    {
-      throw StringException("Out of bounds: " + String(i));
+      throw StringException("Out of bounds: " + String((int)i));
    }
 
    return p->s[i];