Also update starpufft and starpumpi header paths

examples/starpufft/Makefile.am

@@ -34,7 +34,8 @@ EXTRA_DIST =			\
 	testf_threads.c		\
 	test_threads.c
 
-include_HEADERS =		\
+versincludedir = $(includedir)/starpu-$(STARPU_EFFECTIVE_VERSION)
+versinclude_HEADERS = 				\
 	starpufft.h
 
 pkgconfigdir = $(libdir)/pkgconfig

mpi/Makefile.am

@@ -71,7 +71,8 @@ noinst_HEADERS =					\
 	starpu_mpi_private.h				\
 	starpu_mpi_fxt.h
 
-include_HEADERS =					\
+versincludedir = $(includedir)/starpu-$(STARPU_EFFECTIVE_VERSION)
+versinclude_HEADERS = 				\
 	starpu_mpi.h					\
 	starpu_mpi_datatype.h