Emit Pure module format v4

Pure now loads only v4 modules. The new header counts records, which aup
does not declare yet, so the output changes only in its magic.

1 files changed, 1 insertions, 1 deletions

diff --git a/Makefile b/Makefile
index 25a4b7b..d1b1dca 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@ CC ?= cc
 CFLAGS ?= -O2 -g
 CFLAGS += -std=c17 -Wall -Wextra -Wpedantic -Werror
 BUILD ?= build
-# The Pure checkout that owns module format v1; tests load every module with it.
+# The Pure checkout that owns the module format; tests load every module with it.
 PURE ?= ../pure/prototypes/connections
 
 .PHONY: all check