scripted-diff: Remove trailing whitespaces

-BEGIN VERIFY SCRIPT-

sed --in-place'' --regexp-extended 's/[[:space:]]+$//g' $(git grep -I --files-with-matches --extended-regexp '[[:space:]]+$' -- src test  ':!*.svg' ':!src/crypto/sha256_sse4*' ':!src/leveldb' ':!src/qt/locale' ':!src/secp256k1' ':!src/univalue')

-END VERIFY SCRIPT-

src/serialize.h

@@ -173,11 +173,11 @@ template<typename X> const X& ReadWriteAsHelper(const X& x) { return x; }
 #define READWRITE(...) (::SerReadWriteMany(s, ser_action, __VA_ARGS__))
 #define READWRITEAS(type, obj) (::SerReadWriteMany(s, ser_action, ReadWriteAsHelper<type>(obj)))
 
-/** 
+/**
  * Implement three methods for serializable objects. These are actually wrappers over
  * "SerializationOp" template, which implements the body of each class' serialization
  * code. Adding "ADD_SERIALIZE_METHODS" in the body of the class causes these wrappers to be
- * added as members. 
+ * added as members.
  */
 #define ADD_SERIALIZE_METHODS                                         \
     template<typename Stream>                                         \
@@ -312,16 +312,16 @@ uint64_t ReadCompactSize(Stream& is)
  * sure the encoding is one-to-one, one is subtracted from all but the last digit.
  * Thus, the byte sequence a[] with length len, where all but the last byte
  * has bit 128 set, encodes the number:
- * 
+ *
  *  (a[len-1] & 0x7F) + sum(i=1..len-1, 128^i*((a[len-i-1] & 0x7F)+1))
- * 
+ *
  * Properties:
  * * Very small (0-127: 1 byte, 128-16511: 2 bytes, 16512-2113663: 3 bytes)
  * * Every integer has exactly one encoding
  * * Encoding does not depend on size of original integer type
  * * No redundancy: every (infinite) byte sequence corresponds to a list
  *   of encoded integers.
- * 
+ *
  * 0:         [0x00]  256:        [0x81 0x00]
  * 1:         [0x01]  16383:      [0xFE 0x7F]
  * 127:       [0x7F]  16384:      [0xFF 0x00]