fix compilation error in core_io.h

- error: 'vector' in namespace 'std' does not name a type
- add <vector> include in core_io.h
- remove <vector> includes from core_read.cpp and core_write.cpp

1 files changed, 1 insertions, 0 deletions

diff --git a/src/core_io.h b/src/core_io.h
index 8a7d58057..26a1293df 100644
--- a/src/core_io.h
+++ b/src/core_io.h
@@ -2,6 +2,7 @@
 #define __BITCOIN_CORE_IO_H__
 
 #include <string>
+#include <vector>
 
 class uint256;
 class CScript;