line-range.h: drop extern from function declaration

diff --git a/t/helper/test-match-trees.c b/t/helper/test-match-trees.c
index 356d8edef1d25524abaae0f0fcb3bf072d229c30..96857f26ac8540cf22e74aed72bbd30bc8147f00 100644 (file)
--- a/t/helper/test-match-trees.c
+++ b/t/helper/test-match-trees.c
@@ -1,7 +1,8 @@
+#include "test-tool.h"
 #include "cache.h"
 #include "tree.h"
 
-int cmd_main(int ac, const char **av)
+int cmd__match_trees(int ac, const char **av)
 {
        struct object_id hash1, hash2, shifted;
        struct tree *one, *two;