4.3.4

Correct mapextractor file name issues in Linux.

Apply this level 0 patch to the map_extractor files.

```
--- System.cpp.orig     2014-02-01 19:29:34.743971791 -0600
+++ System.cpp  2014-02-01 20:16:57.563239903 -0600
@@ -1114,7 +1114,7 @@
             }

             filename = foundFile.cFileName;
-            filename = outputPath + filename.substr(filename.rfind('\\'));
+            filename = outputPath + filename.substr(filename.rfind('\\')+1);

             if (FileExists(filename.c_str()))
                 continue;
@@ -1161,7 +1161,7 @@
             }

             filename = foundFile.cFileName;
-            filename = outputPath + filename.substr(filename.rfind('\\'));
+            filename = outputPath + filename.substr(filename.rfind('\\')+1);
             if (ExtractFile(dbcFile, filename.c_str()))
                 ++count;
```