BIND 10 trac2831, updated. e9e336900ee014c251ad4b25a8e19d36da3a9a2e [2831] Add a comment and make a minor comment update

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       via  e9e336900ee014c251ad4b25a8e19d36da3a9a2e (commit)
      from  7ed3411dd5f0045b2eb877579a715de9892fc501 (commit)

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- Log -----------------------------------------------------------------
commit e9e336900ee014c251ad4b25a8e19d36da3a9a2e
Author: Mukund Sivaraman <muks at isc.org>
Date:   Mon Apr 8 20:20:34 2013 +0530

    [2831] Add a comment and make a minor comment update

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

Summary of changes:
 src/lib/util/memory_segment_mapped.cc              |    2 ++
 .../util/tests/memory_segment_common_unittest.cc   |    2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

-----------------------------------------------------------------------
diff --git a/src/lib/util/memory_segment_mapped.cc b/src/lib/util/memory_segment_mapped.cc
index f1bd9c1..6d0405c 100644
--- a/src/lib/util/memory_segment_mapped.cc
+++ b/src/lib/util/memory_segment_mapped.cc
@@ -227,7 +227,9 @@ MemorySegmentMapped::shrinkToFit() {
         return;
     }
 
+    // First, (unmap and) close the underlying file.
     impl_->base_sgmt_.reset();
+
     BaseSegment::shrink_to_fit(impl_->filename_.c_str());
     try {
         // Remap the grown file; this should succeed, but it's not 100%
diff --git a/src/lib/util/tests/memory_segment_common_unittest.cc b/src/lib/util/tests/memory_segment_common_unittest.cc
index 2ffdb7c..45bef7b 100644
--- a/src/lib/util/tests/memory_segment_common_unittest.cc
+++ b/src/lib/util/tests/memory_segment_common_unittest.cc
@@ -25,7 +25,7 @@ namespace test {
 
 void
 checkSegmentNamedAddress(MemorySegment& segment, bool out_of_segment_ok) {
-    // If not exist, null pointer will be returned.
+    // If the name does not exist, NULL should be returned.
     EXPECT_EQ(static_cast<void*>(0), segment.getNamedAddress("test address"));
 
     // Now set it