BIND 10 master, updated. 3f1afa7c181c802ba2dab143cc9b5f72e8e1de69 [master] define virtual dtor for master lexer state classes.

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- Log -----------------------------------------------------------------
commit 3f1afa7c181c802ba2dab143cc9b5f72e8e1de69
Author: JINMEI Tatuya <jinmei at isc.org>
Date:   Tue Nov 13 19:53:18 2012 -0800

    [master] define virtual dtor for master lexer state classes.
    
    just for silencing some compilers.  in our usage this doesn't matter
    in practice.  committing at my discretion.

-----------------------------------------------------------------------

Summary of changes:
 src/lib/dns/master_lexer.cc      |    2 ++
 src/lib/dns/master_lexer_state.h |    6 ++++++
 2 files changed, 8 insertions(+)

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diff --git a/src/lib/dns/master_lexer.cc b/src/lib/dns/master_lexer.cc
index 992a051..0978a8f 100644
--- a/src/lib/dns/master_lexer.cc
+++ b/src/lib/dns/master_lexer.cc
@@ -170,6 +170,7 @@ namespace {
 class CRLF : public State {
 public:
     CRLF() {}
+    virtual ~CRLF() {}          // see the base class for the destructor
     virtual const State* handle(MasterLexer& lexer) const {
         // We've just seen '\r'.  If this is part of a sequence of '\r\n',
         // we combine them as a single END-OF-LINE.  Otherwise we treat the
@@ -195,6 +196,7 @@ public:
 class String : public State {
 public:
     String() {}
+    virtual ~String() {}      // see the base class for the destructor
     virtual const State* handle(MasterLexer& /*lexer*/) const {
         return (NULL);
     }
diff --git a/src/lib/dns/master_lexer_state.h b/src/lib/dns/master_lexer_state.h
index 86957c5..1130f33 100644
--- a/src/lib/dns/master_lexer_state.h
+++ b/src/lib/dns/master_lexer_state.h
@@ -55,6 +55,12 @@ namespace master_lexer_internal {
 /// this library are expected to use this class.
 class State {
 public:
+    /// \brief Virtual destructor.
+    ///
+    /// In our usage this actually doesn't matter, but some compilers complain
+    /// about it and we need to silence them.
+    virtual ~State() {}
+
     /// \brief Begin state transitions to get the next token.
     ///
     /// This is the first method that \c MasterLexer needs to call for a