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/clientversion.cpp

@@ -81,8 +81,8 @@ std::string FormatFullVersion()
     return CLIENT_BUILD;
 }
 
-/** 
- * Format the subversion field according to BIP 14 spec (https://github.com/bitcoin/bips/blob/master/bip-0014.mediawiki) 
+/**
+ * Format the subversion field according to BIP 14 spec (https://github.com/bitcoin/bips/blob/master/bip-0014.mediawiki)
  */
 std::string FormatSubVersion(const std::string& name, int nClientVersion, const std::vector<std::string>& comments)
 {