xserver: check for old log file, not old config file

Introduced in cf9c6a9f588390869f278e5620ec40bfa2859d6a

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Chase Douglas <chase.douglas@canonical.com>
Signed-off-by: Chase Douglas <chase.douglas@canonical.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/xserver.cpp b/src/xserver.cpp
index 101c859..b420dd1 100644
--- a/src/xserver.cpp
+++ b/src/xserver.cpp
@@ -272,7 +272,7 @@ void xorg::testing::XServer::TestStartup(void) {
     throw std::runtime_error(message);
   }
 
-  std::string old_log_file = d_->options["-config"];
+  std::string old_log_file = d_->options["-logfile"];
   old_log_file += ".old";
   log_test.open(old_log_file.c_str(), std::ofstream::out);
   log_test.close();