Fix: Always init logger mutex before use

(cherry picked from commit c71a1d5)

base/logging.c

@@ -366,6 +366,9 @@ gvm_log_lock_init (void)
 void
 gvm_log_lock (void)
 {
+  /* Initialize logger lock if not done already. */
+  gvm_log_lock_init ();
+
   g_mutex_lock (logger_mutex);
 }
 
@@ -418,9 +421,6 @@ gvm_log_func (const char *log_domain, GLogLevelFlags log_level,
   gchar *syslog_facility = "local0";
   gchar *syslog_ident = NULL;
 
-  /* Initialize logger lock if not done. */
-  gvm_log_lock_init ();
-
   /* Let's load the default configuration file directives from the
    * linked list. Scanning the link list twice is inefficient but
    * leaves the source cleaner.