gn: Call GetCurrentLocation() in the STRING case as well.

I don't see any reason for not calling it there as we already do this in
the other cases.

BUG=None
TEST=None
R=brettw@chromium.org

Review URL: https://codereview.chromium.org/282163002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@270783 0039d316-1c4b-4281-b951-d872f2087c98

tools/gn/tokenizer.cc

@@ -244,8 +244,7 @@ void Tokenizer::AdvanceToEndOfToken(const Location& location,
       Advance();  // Advance past initial "
       for (;;) {
         if (at_end()) {
-          *err_ = Err(LocationRange(location,
-                          Location(input_file_, line_number_, char_in_line_)),
+          *err_ = Err(LocationRange(location, GetCurrentLocation()),
                       "Unterminated string literal.",
                       "Don't leave me hanging like this!");
           break;
@@ -254,8 +253,7 @@ void Tokenizer::AdvanceToEndOfToken(const Location& location,
           Advance();  // Skip past last "
           break;
         } else if (cur_char() == '\n') {
-          *err_ = Err(LocationRange(location,
-                                   GetCurrentLocation()),
+          *err_ = Err(LocationRange(location, GetCurrentLocation()),
                       "Newline in string constant.");
         }
         Advance();