Add big endian hf protocol header to Makefile
diff --git a/Makefile.am b/Makefile.am
index 05002bc..b791eba 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -69,7 +69,7 @@ cgminer_SOURCES += driver-bitforce.c
endif
if HAS_HASHFAST
-cgminer_SOURCES += driver-hashfast.c driver-hashfast.h hf_protocol.h
+cgminer_SOURCES += driver-hashfast.c driver-hashfast.h hf_protocol.h hf_protocol_be.h
endif
if HAS_BITFURY