t/t3101-ls-tree-dirname.sh: use the $( ... ) construct for command substitution

diff --git a/run-command.h b/run-command.h
index 5428b048e2c49dec3e322ac2a46ffddd012e4c8d..12bb26c2a6155750203babfec47b08e8bde0ad27 100644 (file)
--- a/run-command.h
+++ b/run-command.h
@@ -47,6 +47,7 @@ struct child_process {
 
 #define CHILD_PROCESS_INIT { NULL, ARGV_ARRAY_INIT, ARGV_ARRAY_INIT }
 void child_process_init(struct child_process *);
+void child_process_clear(struct child_process *);
 
 int start_command(struct child_process *);
 int finish_command(struct child_process *);