Remove the space before the interpreter name in test-network.sh

Apparently some unixes don't like this.
Part of #21581.

diff --git a/src/test/test-network.sh b/src/test/test-network.sh
index edd2897e5d771bcd8c562767ac2c6ccbc2951be0..10bd370ff34d88ef1a79504c0279fb32a630c770 100755 (executable)
--- a/src/test/test-network.sh
+++ b/src/test/test-network.sh
@@ -1,4 +1,4 @@
-#! /bin/sh
+#!/bin/sh
 
 # use bash if it is available, as this script doesn't work well in non-bash sh
 # this will be fixed in #19699