Add missing assert() to init_from_environment().

diff --git a/src/trackfds.h b/src/trackfds.h
index 30693f47d1a07888bb578c665227f2ae3afc36d6..5720b0cca54cc6d159ec8d760d35ae5883878509 100644 (file)
--- a/src/trackfds.h
+++ b/src/trackfds.h
@@ -83,6 +83,8 @@ static void init_from_environment(void) {
 
     int saved_errno = errno;
 
+    assert(!initialized);
+
     initialized = 1;
     tracked_fds_list_count = 0;