help: make help_unknown_ref() NORETURN

diff --git a/sub-process.h b/sub-process.h
index 71b18ad5af24b92421719c3e1e4d5b7154da5926..5c182fad98539eecd1b23edadebf369eb21f353b 100644 (file)
--- a/sub-process.h
+++ b/sub-process.h
@@ -42,10 +42,10 @@ struct subprocess_capability {
 /* subprocess functions */
 
 /* Function to test two subprocess hashmap entries for equality. */
-extern int cmd2process_cmp(const void *unused_cmp_data,
-                          const void *e1,
-                          const void *e2,
-                          const void *unused_keydata);
+int cmd2process_cmp(const void *unused_cmp_data,
+                   const void *e1,
+                   const void *e2,
+                   const void *unused_keydata);
 
 /*
  * User-supplied function to initialize the sub-process.  This is