Fix generation of per request CPU times in event data.

Author: GrahamDumpleton

docs/release-notes/version-4.5.1.rst

@@ -5,3 +5,9 @@ Version 4.5.1
 Version 4.5.1 of mod_wsgi can be obtained from:
 
   https://codeload.github.com/GrahamDumpleton/mod_wsgi/tar.gz/4.5.1
+
+Bugs Fixed
+----------
+
+1. The CPU user and system time for requests wasn't always being output
+   in request finished event data.

src/server/mod_wsgi.c

@@ -3225,7 +3225,7 @@ static int Adapter_run(AdapterObject *self, PyObject *object)
         if (application_time < 0.0)
             application_time = 0.0;
 
-        if (end_usage.user_time != 0.0) {
+        if (start_usage.user_time != 0.0) {
             if (wsgi_thread_cpu_usage(&end_usage)) {
                 double user_seconds;
                 double system_seconds;