Switch to side-by-side view

--- a/makesrcdist.sh
+++ b/makesrcdist.sh
@@ -114,7 +114,7 @@
 echo "$targetdir/$out created"
 
 # Check manifest against current reference
-export LANG=C
+export LC_ALL=C
 tar tzf $targetdir/$out | sort | cut -d / -f 2- | \
     diff manifest.txt - || fatal "Please fix file list manifest.txt"