updpkgsums: avoid fancy quoting in error message

m4 has a field day parsing escapes and actually vandalizes this string,
causing the error to look like:

 ==> ERROR: \PKGBUILD\ not found or is not a file

Avoid all quoting and just match up with how makepkg reports errors (no
quoting at all).

Signed-off-by: Dave Reisner <dreisner@archlinux.org>
Signed-off-by: Dan McGee <dan@archlinux.org>

0 files changed, 0 insertions, 0 deletions