Fix e8d21adf3.

As usual, conda documentation does not provide a clear explanation
of what the options do...

conda/artiq-board/meta.yaml

@@ -12,7 +12,7 @@ build:
   script_env:
     - ARTIQ_TARGET
     - ARTIQ_VARIANT
-  detect_binary_files_with_prefix: False
+  ignore_prefix_files: True
 
 outputs:
   - name: artiq-{{ environ["ARTIQ_TARGET"] }}-{{ environ["ARTIQ_VARIANT"] }}

conda/artiq-sayma_rtm/meta.yaml

@@ -9,7 +9,7 @@ build:
   noarch: python
   number: {{ environ["GIT_DESCRIBE_NUMBER"] }}
   string: {{ environ["GIT_DESCRIBE_NUMBER"] }}+git{{ environ["GIT_FULL_HASH"][:8] }}
-  detect_binary_files_with_prefix: False
+  ignore_prefix_files: True
 
 requirements:
   build:

conda/artiq/meta.yaml

@@ -19,7 +19,7 @@ build:
     {% endfor %}
     {% endfor %}
   script: $PYTHON setup.py install --no-compile --single-version-externally-managed --record=record.txt
-  detect_binary_files_with_prefix: False
+  ignore_prefix_files: True
 
 requirements:
   build: