Upstream: HAVE_IOVEC => CONFIG_IOVEC

Change-Id: I18025d9c154a02af5d6298c7d7f72fc9f2c1c5d7
diff --git a/android-configure.sh b/android-configure.sh
index 45c8120..7a23954 100755
--- a/android-configure.sh
+++ b/android-configure.sh
@@ -458,7 +458,7 @@
 
 case $OS in
     linux-*|darwin-*)
-        echo "#define HAVE_IOVEC 1" >> $config_h
+        echo "#define CONFIG_IOVEC 1" >> $config_h
         ;;
 esac