[*] May as well make this in line with the others

Source/IO/FS/Resources.cpp

@@ -352,6 +352,31 @@ namespace Aurora::IO::FS
         gApplicationData += kPathSplitter;
         gHomeDirectory   += kPathSplitter;
         gProgramsFolder  += kPathSplitter;
+
+        static const auto Fixup = [](auto &str)
+        {
+            if (str.empty())
+            {
+                return;
+            }
+
+            if (str.ends_with('\\'))
+            {
+                return;
+            }
+
+            if (str.ends_with('/'))
+            {
+                return;
+            }
+
+            str += kPathSplitter;
+        };
+
+        Fixup(gUserHomeDirectory);
+        Fixup(gAdminWritableAppDirectory);
+        Fixup(gUserWritableAppData);
+        Fixup(gGlobalWritableAppDirectory);
     }
 
     void InitResources()