Do not stop dbQueue in logTerm. dbQueue is not just for logging.

src/zm_logger.cpp

@@ -570,7 +570,6 @@ void logInit(const char *name, const Logger::Options &options) {
 }
 
 void logTerm() {
-  dbQueue.stop();
   if (Logger::smInstance) {
     delete Logger::smInstance;
     Logger::smInstance = nullptr;

src/zmc.cpp

@@ -382,6 +382,7 @@ int main(int argc, char *argv[]) {
   Image::Deinitialise();
   Debug(1, "terminating");
   logTerm();
+  dbQueue.stop();
   zmDbClose();
 
 	return zm_terminate ? 0 : result;

src/zms.cpp

@@ -342,6 +342,7 @@ int main(int argc, const char *argv[], char **envp) {
   Debug(1, "Terminating");
   Image::Deinitialise();
   logTerm();
+  dbQueue.stop();
   zmDbClose();
 
   return 0;