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/core_read.cpp

@@ -105,7 +105,7 @@ static bool CheckTxScriptsSanity(const CMutableTransaction& tx)
             return false;
         }
     }
-    
+
     return true;
 }
 
@@ -140,7 +140,7 @@ bool DecodeHexTx(CMutableTransaction& tx, const std::string& hex_tx, bool try_no
             // Fall through.
         }
     }
-    
+
     return false;
 }