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-rw-r--r--ares/configure.ac1
1 files changed, 0 insertions, 1 deletions
diff --git a/ares/configure.ac b/ares/configure.ac
index 78f239f25..0165c5e90 100644
--- a/ares/configure.ac
+++ b/ares/configure.ac
@@ -553,7 +553,6 @@ AC_CHECK_MEMBER(struct addrinfo.ai_flags,
AC_CHECK_FUNCS( bitncmp \
- isblank \
if_indextoname,
dnl if found
[],