Fix syntax error

Reported in https://gerrit.opnfv.org/gerrit/#/c/25785/

Change-Id: Iaba37b820ec17d8ac9009e63f606c8a38aebd236
Signed-off-by: Yujun Zhang <zhang.yujunz@zte.com.cn>

diff --git a/scripts/docs-build.sh b/scripts/docs-build.sh
index c912bdf..91bb91a 100755 (executable)
--- a/scripts/docs-build.sh
+++ b/scripts/docs-build.sh
@@ -258,4 +258,4 @@ done
 
 deactivate
 
-exit(error_count)
+exit $error_count