The size of some structure did not match in the public and the private

interface. Thanks to Emmanuel Jeandel and Julien Cristau for the help to track
that bug !

include/starpu-perfmodel.h

@@ -18,6 +18,7 @@
 #define __STARPU_PERFMODEL_H__
 
 #include <stdio.h>
+#include <starpu_config.h>
 #include <starpu-mutex.h>
 
 struct starpu_htbl32_node_s;

include/starpu_config.h.in

@@ -21,4 +21,6 @@
 
 #undef HAVE_SYNC_BUILTINS
 
+#undef MODEL_DEBUG
+
 #endif