C++ indenter: Fix extra specifier in return type of func decl.

Like
struct Foo bar() { }

Change-Id: I946937c23d1660909757952a5a3bd400c4781826
Reviewed-on: http://codereview.qt.nokia.com/13
Reviewed-by: Erik Verbruggen <erik.verbruggen@nokia.com>

tests/auto/cplusplus/codeformatter/tst_codeformatter.cpp

@@ -91,6 +91,7 @@ private Q_SLOTS:
     void whitesmithsStyleSwitch();
     void indentToNextToken();
     void labels();
+    void functionsWithExtraSpecifier();
 };
 
 struct Line {
@@ -1178,6 +1179,19 @@ void tst_CodeFormatter::labels()
     checkIndent(data);
 }
 
+void tst_CodeFormatter::functionsWithExtraSpecifier()
+{
+    QList<Line> data;
+    data << Line("extern void foo() {}")
+         << Line("struct Foo bar() {}")
+         << Line("enum Foo bar() {}")
+         << Line("namespace foo {")
+         << Line("}")
+         << Line("int a;")
+         ;
+    checkIndent(data);
+}
+
 QTEST_APPLESS_MAIN(tst_CodeFormatter)
 #include "tst_codeformatter.moc"