[latexila] Use HELP_ prefix in help/Makefile to indicate itstool toolchain

[Claude Paroz <claudep src gnome org>]

commit 19baadfb1211b692ee5d0635cae703c95f57d0e7
Author: Claude Paroz <claude 2xlibre net>
Date:   Thu Aug 4 16:11:22 2011 +0200

    Use HELP_ prefix in help/Makefile to indicate itstool toolchain

 help/Makefile.am |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/help/Makefile.am b/help/Makefile.am
index c3535a9..5e357b9 100644
--- a/help/Makefile.am
+++ b/help/Makefile.am
@@ -1,9 +1,9 @@
 # The unique purpose of this file is for GNOME Damned Lies integration
 
-DOC_ID = latexila
+HELP_ID = latexila
 
-DOC_PAGES = \
+HELP_PAGES = \
 	build_tools.page \
 	index.page
 
-DOC_LINGUAS = de
+HELP_LINGUAS = de