test: run cpplint on files in test/cctest

Enable cpplint for files in test/cctest.  Fix up the style issues it
reports.

PR-URL: #9787
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Evan Lucas <evanlucas@me.com>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com>

Makefile

@@ -679,6 +679,8 @@ CPPLINT_FILES = $(filter-out $(CPPLINT_EXCLUDE), $(wildcard \
 	src/*.h \
 	test/addons/*/*.cc \
 	test/addons/*/*.h \
+	test/cctest/*.cc \
+	test/cctest/*.h \
 	tools/icu/*.cc \
 	tools/icu/*.h \
 	))

test/cctest/util.cc

@@ -87,4 +87,4 @@ TEST(UtilTest, Calloc) {
   EXPECT_NE(nullptr, Calloc(1, 0));
   EXPECT_NE(nullptr, Calloc(0, 1));
   EXPECT_NE(nullptr, Calloc(1, 1));
-}
+}