difftool: handle unmerged files in dir-diff mode

diff --git a/compat/mkdtemp.c b/compat/mkdtemp.c
index 34d4b49818b0896b9db19b2b1387f142cbbbd42b..11361195925c674423309d40f343c88f58b7bc1e 100644 (file)
--- a/compat/mkdtemp.c
+++ b/compat/mkdtemp.c
@@ -2,7 +2,7 @@
 
 char *gitmkdtemp(char *template)
 {
-       if (!mktemp(template) || mkdir(template, 0700))
+       if (!*mktemp(template) || mkdir(template, 0700))
                return NULL;
        return template;
 }