[gnome3-web] [i18n] only fix <script> tags if there are some

[Frederic Peters <fpeters src gnome org>]

commit ebd5248275138bd6648b242235879f33d0570180
Author: Frédéric Péters <fpeters 0d be>
Date:   Thu Feb 10 10:28:27 2011 +0100

    [i18n] only fix <script> tags if there are some

 po/build.sh |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/po/build.sh b/po/build.sh
index 5a54e9a..0299cf0 100755
--- a/po/build.sh
+++ b/po/build.sh
@@ -8,7 +8,8 @@ do
     do
       echo "Writing $HTMLFILE.$LANG"
       xml2po -p $POFILE -m xhtml -o $HTMLFILE.$LANG $HTMLFILE
-      sed -i -e 's/\(<script.*\)/\1<\/script>/' $HTMLFILE.$LANG
+      grep -q '<script' $HTMLFILE.$LANG && \
+        sed -i -e 's/\(<script.*\)/\1<\/script>/' $HTMLFILE.$LANG
     done
 done