largefiles: fix help text to avoid warning at "make update-pot"
This change helps hggettext to find out help text in original source,
because it assumes that backslash ('\') is doubled in docstring.
--- a/hgext/largefiles/__init__.py Wed Aug 02 01:03:20 2017 +0900
+++ b/hgext/largefiles/__init__.py Wed Aug 02 01:15:07 2017 +0900
@@ -91,7 +91,7 @@
[largefiles]
patterns =
*.jpg
- re:.*\.(png|bmp)$
+ re:.*\\.(png|bmp)$
library.zip
content/audio/*