fixing compiler warnings

sql/item_func.cc

@@ -174,7 +174,7 @@ bool Item_func::agg_arg_charsets(DTCollation &coll,
   for (arg= args, last= args + nargs; arg < last; arg++)
   {
     Item* conv;
-    uint dummy_offset;
+    uint32 dummy_offset;
     if (!String::needs_conversion(0, coll.collation,
                                   (*arg)->collation.collation,
                                   &dummy_offset))

sql/sql_base.cc

@@ -3037,8 +3037,9 @@ insert_fields(THD *thd, TABLE_LIST *tables, const char *db_name,
     my_message(ER_NO_TABLES_USED, ER(ER_NO_TABLES_USED), MYF(0));
   else
     my_error(ER_BAD_TABLE_ERROR, MYF(0), table_name);
-
+#ifndef NO_EMBEDDED_ACCESS_CHECKS
 err:
+#endif
   DBUG_RETURN(1);
 }
 

sql/sql_view.cc

@@ -55,7 +55,10 @@ bool mysql_create_view(THD *thd,
   TABLE_LIST *view= lex->unlink_first_table(&link_to_local);
   TABLE_LIST *tables= lex->query_tables;
   TABLE_LIST *tbl;
-  SELECT_LEX *select_lex= &lex->select_lex, *sl;
+  SELECT_LEX *select_lex= &lex->select_lex;
+#ifndef NO_EMBEDDED_ACCESS_CHECKS
+  SELECT_LEX *sl;
+#endif
   SELECT_LEX_UNIT *unit= &lex->unit;
   bool res= FALSE;
   DBUG_ENTER("mysql_create_view");
@@ -745,7 +748,7 @@ mysql_make_view(File_parser *parser, TABLE_LIST *table)
       table->effective_algorithm= VIEW_ALGORITHM_MERGE;
       DBUG_PRINT("info", ("algorithm: MERGE"));
       table->updatable= (table->updatable_view != 0);
-      table->effective_with_check= table->with_check;
+      table->effective_with_check= (uint8)table->with_check;
 
       table->ancestor= view_tables;
       /*

sql/table.h

@@ -274,7 +274,7 @@ typedef struct st_schema_table
 #define VIEW_CHECK_SKIP       2
 
 struct st_lex;
-struct select_union;
+class select_union;
 
 typedef struct st_table_list
 {