configs/image-magic: make convert be overridable

diff --git a/configs/imagemagick-convert.cfg b/configs/imagemagick-convert.cfg
index 0fdf391..f494bfa 100644 (file)
--- a/configs/imagemagick-convert.cfg
+++ b/configs/imagemagick-convert.cfg
@@ -82,6 +82,7 @@ seccomp_string: "}"
 seccomp_string: "DEFAULT KILL"
 
 exec_bin {
-       path: "/usr/bin/convert"
+       path: ""
+       arg0: "/usr/bin/convert"
        exec_fd: true
 }