We always have to include the <PROJECT>_config.h as first include.

This commit was SVN r12216.

opal/util/crc.h

@@ -19,6 +19,8 @@
 #ifndef _OPAL_CRC_H_
 #define _OPAL_CRC_H_
 
+#include "opal_config.h"
+
 #include <stddef.h>
 
 #if defined(c_plusplus) || defined(__cplusplus)