Use module_dir instead of module_directory
This fixes a bug where module_directory is used as the variable name instead of
module_dir.
diff --git a/heka/files/toml/decoder/sandbox.toml b/heka/files/toml/decoder/sandbox.toml
index 3cc8413..f533ab4 100644
--- a/heka/files/toml/decoder/sandbox.toml
+++ b/heka/files/toml/decoder/sandbox.toml
@@ -1,7 +1,7 @@
[{{ decoder_name }}_decoder]
type = "SandboxDecoder"
filename = "{{ decoder.module_file }}"
-{%- if decoder.module_directory is defined %}
+{%- if decoder.module_dir is defined %}
module_directory = "{{ decoder.module_dir }}"
{%- endif %}
{%- if decoder.memory_limit is defined %}
diff --git a/heka/files/toml/filter/sandbox.toml b/heka/files/toml/filter/sandbox.toml
index 1c6119d..9608e52 100644
--- a/heka/files/toml/filter/sandbox.toml
+++ b/heka/files/toml/filter/sandbox.toml
@@ -1,7 +1,7 @@
[{{ filter_name }}_filter]
type = "SandboxFilter"
filename = "{{ filter.module_file }}"
-{%- if filter.module_directory is defined %}
+{%- if filter.module_dir is defined %}
module_directory = "{{ filter.module_dir }}"
{%- endif %}
{%- if filter.message_matcher is defined %}