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/src/ipmiblob/ipmi_handler.cpp b/src/ipmiblob/ipmi_handler.cpp
index 9278338..e4c59fc 100644
--- a/src/ipmiblob/ipmi_handler.cpp
+++ b/src/ipmiblob/ipmi_handler.cpp
@@ -30,7 +30,7 @@
 #include <string>
 #include <vector>
 
-namespace host_tool
+namespace ipmiblob
 {
 
 void IpmiHandler::open()
@@ -162,4 +162,4 @@
     return returning;
 }
 
-} // namespace host_tool
+} // namespace ipmiblob