Remove redundant check for 'getaddrinfo' (it's already checked the block
before.)
diff --git a/configure.in b/configure.in
index 5ec8b44..bc7101a 100644
--- a/configure.in
+++ b/configure.in
@@ -1302,7 +1302,7 @@
 		exit 1
 	fi
 fi
-AC_CHECK_FUNCS(getaddrinfo getnameinfo)
+AC_CHECK_FUNCS(getnameinfo)
 
 # checks for structures
 AC_HEADER_TIME