Replace deprecated use of INCLUDES with _CPPFLAGS.

Conflicts:
	Makefile.am

Makefile.am

@@ -1,7 +1,7 @@
 
 ACLOCAL_AMFLAGS = -I m4
 
-JANSSON_INCLUDES= -I$(top_builddir)/compat/jansson-2.5/src -I$(top_srcdir)/compat/jansson-2.5/src
+JANSSON_CPPFLAGS= -I$(top_builddir)/compat/jansson-2.5/src -I$(top_srcdir)/compat/jansson-2.5/src
 
 EXTRA_DIST	= example.conf m4/gnulib-cache.m4 linux-usb-cgminer \
 		  ADL_SDK/readme.txt api-example.php miner.php	\
@@ -10,7 +10,7 @@ EXTRA_DIST	= example.conf m4/gnulib-cache.m4 linux-usb-cgminer \
 
 SUBDIRS		= lib compat ccan
 
-INCLUDES	= $(PTHREAD_FLAGS) -fno-strict-aliasing $(JANSSON_INCLUDES)
+INCLUDES	= $(PTHREAD_FLAGS) -fno-strict-aliasing $(JANSSON_CPPFLAGS)
 
 bin_PROGRAMS	= cgminer