add missing headers to pass compilation on more gcc versions

Author: glyh

include/core/data_type.h

@@ -1,5 +1,6 @@
 #pragma once
 #include "core/common.h"
+#include <cstdint>
 
 namespace infini {
 

include/core/graph.h

@@ -2,6 +2,8 @@
 #include "core/allocator.h"
 #include "core/operator.h"
 #include "core/tensor.h"
+#include <cstdint>
+#include <algorithm>
 
 namespace infini
 {
@@ -116,4 +118,4 @@ namespace infini
         bool sorted;
     };
 
-} // namespace infini
+} // namespace infini

include/core/op_type.h

@@ -4,6 +4,7 @@
 
 #include <string>
 #include <unordered_set>
+#include <cstdint>
 
 namespace infini
 {