ipmid: Change .H -> .hpp

Change-Id: Ia1ed05a533736105909717b86f16274b30d36401
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/ipmisensor.cpp b/ipmisensor.cpp
index b6927ac..3e67b41 100644
--- a/ipmisensor.cpp
+++ b/ipmisensor.cpp
@@ -2,7 +2,7 @@
 #include <string.h>
 #include <stdint.h>
 #include <malloc.h>
-#include <ipmid.H>
+#include <ipmid.hpp>
 #include "sensorhandler.h"
 
 extern uint8_t find_sensor(uint8_t);