fix build on mac

* typedef unsigned int uint
  uint isn't a standard type - unsigned int is.

* add missing #include <string>
  clang on mac complains about this

src/lib/sqllib.h

@@ -1,6 +1,7 @@
 #ifndef __SQLLIB_H__
 #define __SQLLIB_H__
 
+typedef unsigned int uint;
 
 #include "SelectStatement.h"
 #include "ImportStatement.h"

src/parser/SQLParser.cpp

@@ -2,6 +2,7 @@
 #include "bison_parser.h"
 #include "flex_lexer.h"
 #include <stdio.h>
+#include <string>
 
 
 namespace hsql {