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/validation.h

@@ -207,7 +207,7 @@ static const unsigned int DEFAULT_CHECKLEVEL = 3;
 // Setting the target to > than 550MB will make it likely we can respect the target.
 static const uint64_t MIN_DISK_SPACE_FOR_BLOCK_FILES = 550 * 1024 * 1024;
 
-/** 
+/**
  * Process an incoming block. This only returns after the best known valid
  * block is made active. Note that it does not, however, guarantee that the
  * specific block passed to it has been checked for validity!
@@ -218,7 +218,7 @@ static const uint64_t MIN_DISK_SPACE_FOR_BLOCK_FILES = 550 * 1024 * 1024;
  *
  * Note that we guarantee that either the proof-of-work is valid on pblock, or
  * (and possibly also) BlockChecked will have been called.
- * 
+ *
  * May not be called in a
  * validationinterface callback.
  *
@@ -351,7 +351,7 @@ bool CheckSequenceLocks(const CTransaction &tx, int flags, LockPoints* lp = null
 
 /**
  * Closure representing one script verification
- * Note that this stores references to the spending transaction 
+ * Note that this stores references to the spending transaction
  */
 class CScriptCheck
 {