partition_filesystem: Remove dynamic_cast in PrintDebugInfo()

We shouldn't be upcasting our file instances. Given a
PartitionFilesystem is currently designed to accept any arbitrary
VfsFile instances, casting to a more specific type than that is just bad
design, and shows an interface design issue.

src/common/string_util.cpp

@@ -2,12 +2,12 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
-#include <algorithm>
 #include <cctype>
 #include <cerrno>
 #include <cstdio>
 #include <cstdlib>
 #include <cstring>
+#include <boost/range/algorithm/transform.hpp>
 #include "common/common_paths.h"
 #include "common/logging/log.h"
 #include "common/string_util.h"
@@ -24,15 +24,13 @@ namespace Common {
 
 /// Make a string lowercase
 std::string ToLower(std::string str) {
-    std::transform(str.begin(), str.end(), str.begin(),
-                   [](unsigned char c) { return std::tolower(c); });
+    boost::transform(str, str.begin(), ::tolower);
     return str;
 }
 
 /// Make a string uppercase
 std::string ToUpper(std::string str) {
-    std::transform(str.begin(), str.end(), str.begin(),
-                   [](unsigned char c) { return std::toupper(c); });
+    boost::transform(str, str.begin(), ::toupper);
     return str;
 }
 

src/core/file_sys/partition_filesystem.cpp

@@ -97,9 +97,8 @@ void PartitionFilesystem::PrintDebugInfo() const {
     LOG_DEBUG(Service_FS, "Magic:                  {:.4}", pfs_header.magic);
     LOG_DEBUG(Service_FS, "Files:                  {}", pfs_header.num_entries);
     for (u32 i = 0; i < pfs_header.num_entries; i++) {
-        LOG_DEBUG(Service_FS, " > File {}:              {} (0x{:X} bytes, at 0x{:X})", i,
-                  pfs_files[i]->GetName(), pfs_files[i]->GetSize(),
-                  dynamic_cast<OffsetVfsFile*>(pfs_files[i].get())->GetOffset());
+        LOG_DEBUG(Service_FS, " > File {}:              {} (0x{:X} bytes)", i,
+                  pfs_files[i]->GetName(), pfs_files[i]->GetSize());
     }
 }