Clean up th ecompile process by centralizing the include files

- code compile tested, but due to a yet unresolved problem with
          parse.h's creation, compile not completed...

src/include/tcop/utility.h

@@ -0,0 +1,18 @@
+/*-------------------------------------------------------------------------
+ *
+ * utility.h--
+ *    prototypes for utility.c.
+ *
+ *
+ * Copyright (c) 1994, Regents of the University of California
+ *
+ * $Id: utility.h,v 1.1 1996/08/28 07:27:54 scrappy Exp $
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef UTILITY_H
+#define UTILITY_H
+
+extern void ProcessUtility(Node *parsetree, CommandDest dest);
+
+#endif	/* UTILITY_H */