Replace uses of boost::filesystem with fs

Step two in abstracting away boost::filesystem.

To repeat this, simply run:
```
git ls-files \*.cpp \*.h | xargs sed -i 's/boost::filesystem/fs/g'
```

1 files changed, 5 insertions, 5 deletions

diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp
index ec0432f9c..55d81daab 100644
--- a/src/wallet/wallet.cpp
+++ b/src/wallet/wallet.cpp
@@ -3945,16 +3945,16 @@ bool CWallet::BackupWallet(const std::string& strDest)
                 bitdb.mapFileUseCount.erase(strWalletFile);
 
                 // Copy wallet file
-                boost::filesystem::path pathSrc = GetDataDir() / strWalletFile;
-                boost::filesystem::path pathDest(strDest);
-                if (boost::filesystem::is_directory(pathDest))
+                fs::path pathSrc = GetDataDir() / strWalletFile;
+                fs::path pathDest(strDest);
+                if (fs::is_directory(pathDest))
                     pathDest /= strWalletFile;
 
                 try {
-                    boost::filesystem::copy_file(pathSrc, pathDest, boost::filesystem::copy_option::overwrite_if_exists);
+                    fs::copy_file(pathSrc, pathDest, fs::copy_option::overwrite_if_exists);
                     LogPrintf("copied %s to %s\n", strWalletFile, pathDest.string());
                     return true;
-                } catch (const boost::filesystem::filesystem_error& e) {
+                } catch (const fs::filesystem_error& e) {
                     LogPrintf("error copying %s to %s - %s\n", strWalletFile, pathDest.string(), e.what());
                     return false;
                 }