some cleanup, housekeeping for error cases and increased a few buffer sizes that are overflown by its content.

Thanks to Fatalis for the initial patch and pointing us to cppcheck.

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@5004 8ced0084-cf51-0410-be5f-012b33b47a6e

Source/Core/Common/Src/FileUtil.cpp

@@ -481,6 +481,7 @@ bool DeleteDirRecursively(const char *directory)
 	FindClose(hFind);
 #else
 	}
+	closedir(dirp);
 #endif
 	File::DeleteDir(directory);