Debugger: Fix disassembler parsing if print max-symbolic-offset is 1

Task-number: QTCREATORBUG-11504
Change-Id: Iaf26fbeefda46280e20b6a0943d15c4f2423f674
Reviewed-by: Christian Stenger <christian.stenger@digia.com>
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>

src/plugins/debugger/disassemblerlines.h

@@ -73,6 +73,7 @@ public:
     bool coversAddress(quint64 address) const;
     void appendUnparsed(const QString &line);
     void appendLine(const DisassemblerLine &dl);
+    void appendComment(const QString &line);
     // Mixed source/assembly: Retrieve contents of source (cached)
     void appendSourceLine(const QString &fileName, uint line);