Avoid locale issues in rpm2cpio.sh (RhBug:878363)

- In gawk >= 4.0.x printf() "adjusts" things according to current locale,
  but we need the data as it is. Forcing C locale prevents gawk from
  getting funny ideas about character conversions...
(cherry picked from commit c0e95f1cedefd6d7522ef2cf7a2ada7c83821596)

diff --git a/scripts/rpm2cpio.sh b/scripts/rpm2cpio.sh
index 57c47bb..cb93ead 100755 (executable)
--- a/scripts/rpm2cpio.sh
+++ b/scripts/rpm2cpio.sh
@@ -1,5 +1,8 @@
 #!/bin/sh
 
+# Prevent gawk >= 4.0.x from getting funny ideas wrt UTF in printf()
+LANG=C
+
 pkg=$1
 if [ "$pkg" = "" -o ! -e "$pkg" ]; then
     echo "no package supplied" 1>&2