Merge branch 'jk/config-die-bad-number-noreturn'

Squelch a false compiler warning from older gcc.

* jk/config-die-bad-number-noreturn:
  config.c: mark die_bad_number as NORETURN
diff --git a/config.c b/config.c
index 6821cef..a30cb5c 100644
--- a/config.c
+++ b/config.c
@@ -557,6 +557,7 @@
 	return 1;
 }
 
+NORETURN
 static void die_bad_number(const char *name, const char *value)
 {
 	const char *reason = errno == ERANGE ?