[yelp-tools] yelp.m4: Disable net access in make check

[Shaun McCance <shaunm src gnome org>]

commit 71e8c4bd285a576ad3b3c38eb6aa9a2a0a1b24de
Author: Shaun McCance <shaunm gnome org>
Date:   Tue Feb 6 08:17:27 2018 -0500

    yelp.m4: Disable net access in make check
    
    https://bugzilla.gnome.org/show_bug.cgi?id=772334
    https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=839549

 tools/yelp.m4 |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/tools/yelp.m4 b/tools/yelp.m4
index 5db847f..3a88229 100644
--- a/tools/yelp.m4
+++ b/tools/yelp.m4
@@ -140,8 +140,8 @@ check-help:
            xmlpath="$$lc:$(srcdir)/$$lc"; \
          fi; \
          for page in $(HELP_FILES); do \
-           echo "$(XMLLINT) --noout --noent --path $$xmlpath --xinclude $$d$$lc/$$page"; \
-           $(XMLLINT) --noout --noent --path "$$xmlpath" --xinclude "$$d$$lc/$$page"; \
+           echo "$(XMLLINT) --nonet --noout --noent --path $$xmlpath --xinclude $$d$$lc/$$page"; \
+           $(XMLLINT) --nonet --noout --noent --path "$$xmlpath" --xinclude "$$d$$lc/$$page"; \
          done; \
        done