Merge #544: Use internal endian conversion functions

4447572 Namecoin: use internal endian conversion functions (Jeremy Rand)
8e3e46c Namecoin: delete superfluous whitespace (Jeremy Rand)

Pull request description:

  Upstream Bitcoin Core refactored their endian conversion in 86b7f28; make Namecoin follow suit.

  Fixes a Guix build fail for Windows/x86_64 target.

Top commit has no ACKs.

Tree-SHA512: 6761b4b0fc900684193de5d4a506f5dfdf6cc20931ca37d4831265cb660fa06c72e58ef5e65e81a4b8ab23cfb94f2ddeb16893945b6374d856e06fd1faec3b46

src/names/common.h

@@ -281,7 +281,7 @@ class CNameCache
       Serialize (Stream& s) const
     {
       /* Flip the byte order of nHeight to big endian.  */
-      const uint32_t nHeightFlipped = htobe32 (nHeight);
+      const uint32_t nHeightFlipped = htobe32_internal (nHeight);
 
       ::Serialize (s, nHeightFlipped);
       ::Serialize (s, name);
@@ -297,7 +297,7 @@ class CNameCache
       ::Unserialize (s, name);
 
       /* Unflip the byte order.  */
-      nHeight = be32toh (nHeightFlipped);
+      nHeight = be32toh_internal (nHeightFlipped);
     }
 
     friend inline bool
@@ -383,7 +383,7 @@ class CNameCache
   inline bool
   isDeleted (const valtype& name) const
   {
-    return (deleted.count (name) > 0); 
+    return (deleted.count (name) > 0);
   }
 
   /* Try to get a name's associated data.  This looks only