File ham-fax-fix-missing-return-value.patch of Package ham-fax

diff -up ham-fax/lib/log.c.bbbb ham-fax/lib/log.c
--- ham-fax/lib/log.c.bbbb	2021-12-31 18:27:00.141076378 +0100
+++ ham-fax/lib/log.c	2021-12-31 18:27:24.635092078 +0100
@@ -96,6 +96,8 @@ int log_close()
 		fclose(log_file);
 
 	log_file = NULL;
+
+	return 0;
 }
 
 void log_debug_(int line, const char *file, const char *format, ...)