difftool: address a couple of resource/memory leaks

diff --git a/builtin/grep.c b/builtin/grep.c
index 65070c52fc2da84bc48804817f1e714f755c9ab5..3ffb5b4e8176bbcd1ecf2e4ae2dc84aee968cd22 100644 (file)
--- a/builtin/grep.c
+++ b/builtin/grep.c
@@ -1299,6 +1299,7 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
                hit |= wait_all();
        if (hit && show_in_pager)
                run_pager(&opt, prefix);
+       clear_pathspec(&pathspec);
        free_grep_patterns(&opt);
        return !hit;
 }