Fix test for curl 7.83.0

libcurl 7.83.0 removed some trailing exclamation marks from error
messages[1]; we have to cater to that.

[1] <curl/curl@6968fb9>

(cherry picked from commit a4179e4)

Author: cmb69

ext/curl/tests/curl_basic_007.phpt

@@ -20,5 +20,5 @@ curl_close($ch);
 
 ?>
 --EXPECTF--
-string(%d) "No URL set!%w"
+string(%d) "No URL set%A"
 int(3)