Makefile: check-source-no-cppcheck.

Recent cppcheck doesn't like our code; until we fix that, make it easy
to run every other source check.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

Makefile

@@ -571,7 +571,10 @@ check-amount-access:
 	@! (git grep -nE "(->|\.)(milli)?satoshis" -- "*.c" "*.h" ":(exclude)common/amount.*" ":(exclude)*/test/*" | grep -v '/* Raw:')
 	@! git grep -nE "\\(struct amount_(m)?sat\\)" -- "*.c" "*.h" ":(exclude)common/amount.*" ":(exclude)*/test/*"
 
-check-source: check-makefile check-source-bolt check-whitespace check-spelling check-python check-includes check-cppcheck check-shellcheck check-setup_locale check-tmpctx check-discouraged-functions check-amount-access
+# For those without working cppcheck
+check-source-no-cppcheck: check-makefile check-source-bolt check-whitespace check-spelling check-python check-includes check-shellcheck check-setup_locale check-tmpctx check-discouraged-functions check-amount-access
+
+check-source: check-source-no-cppcheck check-cppcheck
 
 full-check: check check-source