stats command modified for linux, not BSD

Author: Kristoffer Andersen

packer.sh

@@ -40,13 +40,13 @@ JSON_TEMP=$JSON_FILE.$RANDOM
 TEMPLATE=$JSON_FILE.template
 
 MONO_HASH=`md5sum $MONO_FILE | sed "s/  $MONO_FILE//"`
-MONO_SIZE=`stat -f"%z" $MONO_FILE`
+MONO_SIZE=`stat -c"%s" $MONO_FILE`
 
 MAC_MONOPROG_HASH=`md5sum $MAC_MONOPROG_FILE | sed "s/  $MAC_MONOPROG_FILE//"`
-MAC_MONOPROG_SIZE=`stat -f"%z" $MAC_MONOPROG_FILE`
+MAC_MONOPROG_SIZE=`stat -c"%s" $MAC_MONOPROG_FILE`
 
 WIN_MONOPROG_HASH=`md5sum $WIN_MONOPROG_FILE | sed "s/  $WIN_MONOPROG_FILE//"`
-WIN_MONOPROG_SIZE=`stat -f"%z" $WIN_MONOPROG_FILE`
+WIN_MONOPROG_SIZE=`stat -c"%s" $WIN_MONOPROG_FILE`
 
 cp $TEMPLATE $JSON_TEMP