ipmiwhitelist: Change .H -> .hpp

Change-Id: I1b4d00211913d1be61f33dfb02227ffc8f859584
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/ipmid.cpp b/ipmid.cpp
index 31608e9..c9c7dda 100644
--- a/ipmid.cpp
+++ b/ipmid.cpp
@@ -16,7 +16,7 @@
 #include <vector>
 #include <algorithm>
 #include <iterator>
-#include <ipmiwhitelist.H>
+#include <ipmiwhitelist.hpp>
 
 sd_bus *bus = NULL;
 sd_bus_slot *ipmid_slot = NULL;