namespace: s/host_tool/ipmiblob/g

Renamed the namespace to encapsulate the library.

Change-Id: I3deb82df5cf6916c505b57864e22a412542c9b6c
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/test/tools_blob_unittest.cpp b/test/tools_blob_unittest.cpp
index f7f58c4..6e35920 100644
--- a/test/tools_blob_unittest.cpp
+++ b/test/tools_blob_unittest.cpp
@@ -5,7 +5,7 @@
 
 #include <gtest/gtest.h>
 
-namespace host_tool
+namespace ipmiblob
 {
 CrcInterface* crcIntf = nullptr;
 
@@ -286,4 +286,4 @@
     EXPECT_EQ(blob.readBytes(0x0001, 0, 4), expectedBytes);
 }
 
-} // namespace host_tool
+} // namespace ipmiblob