removed old boost version made boost required

Gabriele Contini

2019-09-01 296baa1f2f26aa5fe711d154d557ca2a7d6f9b5d

 src/library/ini/SimpleIni.h

@@ -1912,7 +1912,7 @@
        if (pComment) {
            DeleteString(a_pComment);
            a_pComment = pComment;
            CopyString(a_pComment);
            (void)CopyString(a_pComment);
        }
        Delete(a_pSection, a_pKey);
        iKey = keyval.end();