BIND 10 master, updated. e14cc5ec115df8f053ee0b4324e9be9b73feebe5 [master] address SunStudio build failure

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- Log -----------------------------------------------------------------
commit e14cc5ec115df8f053ee0b4324e9be9b73feebe5
Author: Yoshitaka Aharen <aharen at jprs.co.jp>
Date:   Wed Dec 14 19:51:06 2011 +0900

    [master] address SunStudio build failure

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Summary of changes:
 src/lib/statistics/counter_dict.cc |    8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)

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diff --git a/src/lib/statistics/counter_dict.cc b/src/lib/statistics/counter_dict.cc
index 08302be..da6aace 100644
--- a/src/lib/statistics/counter_dict.cc
+++ b/src/lib/statistics/counter_dict.cc
@@ -75,9 +75,11 @@ CounterDictionaryImpl::deleteElement(const std::string& name) {
 
 Counter&
 CounterDictionaryImpl::getElement(const std::string& name) {
-    try {
-        return (*(dictionary_.at(name)));
-    } catch (const std::out_of_range&) {
+    DictionaryMap::const_iterator i = dictionary_.find(name);
+    if (i != dictionary_.end()) {
+        // the key was found. return the element.
+        return (*(i->second));
+    } else {
         // If an element with specified name does not exist, throw
         // isc::OutOfRange.
         isc_throw(isc::OutOfRange, "Element " << name << " does not exist");