vswitchd: Write build error message to stderr.

Suggested-by: Andrew Evans <aevans@nicira.com>

diff --git a/vswitchd/automake.mk b/vswitchd/automake.mk
index 5c8ab3c..0a2c7ff 100644 (file)
--- a/vswitchd/automake.mk
+++ b/vswitchd/automake.mk
@@ -102,7 +102,7 @@ vswitchd/vswitch.ovsschema.stamp: vswitchd/vswitch.ovsschema
          touch $@; \
        else \
          ln=`sed -n '/"cksum":/=' $?`; \
-         echo "$?:$$ln: checksum \"$$sum\" does not match (you should probably update the version number and fix the checksum)"; \
+         echo >&2 "$?:$$ln: checksum \"$$sum\" does not match (you should probably update the version number and fix the checksum)"; \
          exit 1; \
        fi
 CLEANFILES += vswitchd/vswitch.ovsschema.stamp