gn: handle continued suffix comments

tools/gn/tokenizer_unittest.cc

Index: tools/gn/tokenizer_unittest.cc
diff --git a/tools/gn/tokenizer_unittest.cc b/tools/gn/tokenizer_unittest.cc
index f18f5e797f68bf51d6d2f25b5de92d81b895662b..c223b6fd2b358dedef425c6ad8a736fac523a7e6 100644
--- a/tools/gn/tokenizer_unittest.cc
+++ b/tools/gn/tokenizer_unittest.cc
@@ -172,7 +172,7 @@ TEST(Tokenizer, Comments) {
     { Token::RIGHT_PAREN, ")" },
     { Token::LEFT_BRACE, "{" },
     { Token::SUFFIX_COMMENT, "# Things" },
-    { Token::LINE_COMMENT, "#Wee" },
+    { Token::SUFFIX_COMMENT, "#Wee" },
     { Token::IDENTIFIER, "foo" },
     { Token::EQUAL, "=" },
     { Token::INTEGER, "12" },
@@ -180,5 +180,10 @@ TEST(Tokenizer, Comments) {
     { Token::RIGHT_BRACE, "}" },
   };
   EXPECT_TRUE(CheckTokenizer(
-      "# Stuff\nfun(\"foo\") {  # Things\n#Wee\nfoo = 12 #Zip\n}", fn));
+      "# Stuff\n"
+      "fun(\"foo\") {  # Things\n"
+      "#Wee\n"
+      "foo = 12 #Zip\n"
+      "}",
+      fn));
 }