Remove unneeded space

Author: snoyberg

etc/scripts/release.hs

@@ -209,7 +209,7 @@ rules global@Global{..} args = do
                 gBuildArgs
                 integrationTestFlagArgs
                 ["--pedantic", "--no-haddock-deps", "--test"]
-                [" --haddock" | gTestHaddocks]
+                ["--haddock" | gTestHaddocks]
                 ["stack"]
             () <- cmd
                 [gProjectRoot </> releaseBinDir </> binaryName </> stackExeFileName]