Fixed first-chance exception during request shutdown

diff --git a/win32/wsyslog.c b/win32/wsyslog.c
index ca1e45b9ca4f029fc8e1f1616b124c0b74a8b944..fcb6e35d100bdf448b3b8428aa6ef12aef1e2309 100644 (file)
--- a/win32/wsyslog.c
+++ b/win32/wsyslog.c
@@ -61,9 +61,14 @@
 void closelog(void)
 {
        TSRMLS_FETCH();
-       DeregisterEventSource(PW32G(log_source));
-       STR_FREE(PW32G(log_header));
-       PW32G(log_header) = NULL;
+       if (PW32G(log_source)) {
+               DeregisterEventSource(PW32G(log_source));
+               PW32G(log_source) = NULL;
+       }
+       if (PW32G(log_header)) {
+               STR_FREE(PW32G(log_header));
+               PW32G(log_header) = NULL;
+       }
 }
 
 /* Emulator for BSD syslog() routine