Add includes to make header files self-contained

Author: petere

src/include/executor/nodeHashjoin.h

@@ -14,6 +14,7 @@
 #ifndef NODEHASHJOIN_H
 #define NODEHASHJOIN_H
 
+#include "access/parallel.h"
 #include "nodes/execnodes.h"
 #include "storage/buffile.h"
 

src/include/utils/sharedtuplestore.h

@@ -13,6 +13,7 @@
 #ifndef SHAREDTUPLESTORE_H
 #define SHAREDTUPLESTORE_H
 
+#include "access/htup.h"
 #include "storage/fd.h"
 #include "storage/sharedfileset.h"