Makefile.am: treat jami_contact.h like other files in jamidht

This homogeneize build between autotools and CMake. jami_contact.h
is a source.

Change-Id: I5bf7a46c858dbfd6ccc4b8c0d053b3b834eebf13

src/jamidht/Makefile.am

@@ -31,6 +31,7 @@ libringacc_la_SOURCES = \
 	./jamidht/accountarchive.h \
 	./jamidht/p2p.cpp \
 	./jamidht/p2p.h \
+	./jamidht/jami_contact.h \
 	./jamidht/contact_list.h \
 	./jamidht/contact_list.cpp \
 	./jamidht/account_manager.h \
@@ -49,6 +50,4 @@ endif
 include ./jamidht/eth/libdevcore/Makefile.am
 include ./jamidht/eth/libdevcrypto/Makefile.am
 
-nobase_include_HEADERS += ./jamidht/jami_contact.h
-
 libring_la_LIBADD += libringacc.la