small fix (patch 938995)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@26905 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/src/regex/regcomp.c b/src/regex/regcomp.c
index 2a7fd6e0b9dbdcf70f3af7dea09370690bf8d355..c634d6b1b983d1abf81c50aab8b58a30b8965217 100644 (file)
--- a/src/regex/regcomp.c
+++ b/src/regex/regcomp.c
@@ -899,7 +899,7 @@ struct subre *top;          /* subtree top */
        case BACKREF:   /* the Feature From The Black Lagoon */
                INSIST(type != LACON, REG_ESUBREG);
                INSIST(v->nextvalue < v->nsubs, REG_ESUBREG);
-               INSIST(v->subs[v->nextvalue] != NULL, REG_ESUBREG);
+               INSIST(v->subs[(int)v->nextvalue] != NULL, REG_ESUBREG);
                NOERR();
                assert(v->nextvalue > 0);
                atom = subre(v, 'b', BACKR, lp, rp);