ob-sql: Add msosql as optional sql engine -- Thanks Sébastien Vauban

* lisp/ob-sql.el (org-babel-execute:sql): Add msosql as optional sql
  interaction engine.

lisp/ob-sql.el

@@ -66,6 +66,10 @@ This function is called by `org-babel-execute-src-block'."
          (out-file (or (cdr (assoc :out-file params))
                        (org-babel-temp-file "sql-out-")))
          (command (case (intern engine)
+                    ('msosql (format "osql %s -s \"\t\" -i %s -o %s"
+                                     (or cmdline "")
+                                     (org-babel-process-file-name in-file)
+                                     (org-babel-process-file-name out-file)))
                     ('mysql (format "mysql %s -e \"source %s\" > %s"
                                     (or cmdline "")
 				    (org-babel-process-file-name in-file)