[PATCH] Documentation: make Makefile.sphinx no-ops quieter

[Jim Davis]

Silence the "make[1]: Nothing to be done for ..." messages for the
no-op targets in Makefile.sphinx.

Signed-off-by: Jim Davis <jim.epost@xxxxxxxxx>
---
 Documentation/Makefile.sphinx | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/Makefile.sphinx b/Documentation/Makefile.sphinx
index 707c65337ebf..b83d1160aaba 100644
--- a/Documentation/Makefile.sphinx
+++ b/Documentation/Makefile.sphinx
@@ -92,9 +92,13 @@ xmldocs:
 
 # no-ops for the Sphinx toolchain
 sgmldocs:
+	@:
 psdocs:
+	@:
 mandocs:
+	@:
 installmandocs:
+	@:
 
 cleandocs:
 	$(Q)rm -rf $(BUILDDIR)
-- 
2.9.3