Makefile: add .DELETE_ON_ERROR:

The absence of it was allowing an (m4-produced) syntax error in
in a change I had made to be masked.

1 files changed, 1 insertions, 1 deletions

diff --git a/Makefile b/Makefile
index a3ce128..9f77130 100644
--- a/Makefile
+++ b/Makefile
@@ -118,4 +118,4 @@ upload:
 	scp devtools-$(V).tar.gz devtools-$(V).tar.gz.sig repos.archlinux.org:/srv/ftp/other/devtools/
 
 .PHONY: all clean install uninstall dist upload
-
+.DELETE_ON_ERROR: