fix

Author: gouarin

test/test_xbasic_fixed_string.cpp

@@ -1105,7 +1105,6 @@ namespace xtl
     {
         string_type s1 = "aabcdef";
         string_type s2 = "abcdefg";
-        string_type s3 = "aabcd";
 
         EXPECT_TRUE(s1 < s2);
         EXPECT_TRUE(s1 <= s2);