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_ipmi_unittest.cpp b/test/tools_ipmi_unittest.cpp
index 9516d46..7a5f6dd 100644
--- a/test/tools_ipmi_unittest.cpp
+++ b/test/tools_ipmi_unittest.cpp
@@ -3,7 +3,7 @@
 #include <ipmiblob/ipmi_errors.hpp>
 #include <ipmiblob/ipmi_handler.hpp>
 
-namespace host_tool
+namespace ipmiblob
 {
 
 using ::testing::_;
@@ -19,4 +19,4 @@
     EXPECT_THROW(ipmi.open(), IpmiException);
 }
 
-} // namespace host_tool
+} // namespace ipmiblob