system/epson-inkjet-printer-escpr: Updated SlackBuild.

Fixes build failure on -current.

Signed-off-by: David Spencer <baildon.research@googlemail.com>
Signed-off-by: Robby Workman <rworkman@slackbuilds.org>

system/epson-inkjet-printer-escpr/epson-inkjet-printer-escpr.SlackBuild

@@ -70,6 +70,9 @@ find -L . \
  \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
   -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;
 
+# Upstream script needs to be more assertive with Autotools :-)
+sed -e 's/autoconf/autoreconf -vif/' -i bootstrap
+
 ./bootstrap
 
 CFLAGS="$SLKCFLAGS" \