Fixed some DBUG_PRINT to use %p properly

sql/sp_head.h

@@ -831,7 +831,7 @@ class sp_head :private Query_arena,
     */
     DBUG_PRINT("info", ("lex->get_stmt_unsafe_flags(): 0x%x",
                         prelocking_ctx->get_stmt_unsafe_flags()));
-    DBUG_PRINT("info", ("sp_head(0x%p=%s)->unsafe_flags: 0x%x",
+    DBUG_PRINT("info", ("sp_head(%p=%s)->unsafe_flags: 0x%x",
                         this, name()->str, unsafe_flags));
     prelocking_ctx->set_stmt_unsafe_flags(unsafe_flags);
     DBUG_VOID_RETURN;

sql/temporary_tables.cc

@@ -1140,7 +1140,8 @@ TABLE *THD::open_temporary_table(TMP_TABLE_SHARE *share,
     thread_safe_increment32(&slave_open_temp_tables);
   }
 
-  DBUG_PRINT("tmptable", ("Opened table: '%s'.'%s'%p", table->s->db.str,
+  DBUG_PRINT("tmptable", ("Opened table: '%s'.'%s  table: %p",
+                          table->s->db.str,
                           table->s->table_name.str, table));
   DBUG_RETURN(table);
 }