fix Makefiles to compile objects in a directory different from the source.

src/liblxc/Makefile.am

+INCLUDES= -I$(top_srcdir)/src
+
 lib_LTLIBRARIES = liblxc.la
 pkginclude_HEADERS = \
 		lxc.h \
@@ -34,4 +36,4 @@ liblxc_la_SOURCES = \
         rtnl.c rtnl.h \
         genl.c genl.h
 
-liblxc_la_LDFLAGS = -release @PACKAGE_VERSION@
\ No newline at end of file
+liblxc_la_LDFLAGS = -release @PACKAGE_VERSION@

src/lxc/Makefile.am

-INCLUDES= -I$(top_srcdir)/src/liblxc
+INCLUDES= -I$(top_srcdir)/src/liblxc -I$(top_srcdir)/src
 
 bin_SCRIPTS = \
 	lxc-ps

test/Makefile.am

-INCLUDES= -I$(top_srcdir)/src/liblxc
+INCLUDES= -I$(top_srcdir)/src/liblxc -I$(top_srcdir)/src
 
 noinst_PROGRAMS = \
 	tst_list \