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/streams.h

@@ -348,7 +348,7 @@ public:
         if (nReadPosNext > vch.size()) {
             throw std::ios_base::failure("CDataStream::read(): end of data");
         }
-        memcpy(pch, &vch[nReadPos], nSize);        
+        memcpy(pch, &vch[nReadPos], nSize);
         if (nReadPosNext == vch.size())
         {
             nReadPos = 0;
@@ -456,7 +456,7 @@ private:
     const int nType;
     const int nVersion;
 
-    FILE* file;	
+    FILE* file;
 
 public:
     CAutoFile(FILE* filenew, int nTypeIn, int nVersionIn) : nType(nTypeIn), nVersion(nVersionIn)