WORKSPACE: Make header comment line space indent consistent

As this did not propagate from the merge of stable-2.14 in.

Change-Id: I28994cc8b6b717cd40c14e3523c6908b53748b1e

WORKSPACE

diff --git a/WORKSPACE b/WORKSPACE
index d77b82a..3160a5d 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -13,7 +13,7 @@
 #    "gerrit_api_maven_local",
 #)
 
-#Load snapshot Plugin API
+# Load snapshot Plugin API
 #gerrit_api_maven_local()
 
 # Release Plugin API