include: Include local not system sql.h header

[Andrew Talbot]

Changelog:
   include: Include local not system sql.h header.

diff -urN a/include/odbcinst.h b/include/odbcinst.h
--- a/include/odbcinst.h	2007-04-23 14:40:46.000000000 +0100
+++ b/include/odbcinst.h	2007-05-12 13:11:16.000000000 +0100
@@ -23,7 +23,7 @@
 extern "C" {
 #endif
 
-#include <sql.h>
+#include "sql.h"
 
 /* flags for Installer function requests */
 #define ODBC_INSTALL_INQUIRY 	1