changed includes to avoid macro redefinition

Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@837

src/dos/drive_cache.cpp

@@ -597,6 +597,8 @@ bool DOS_Drive_Cache::SetResult(CFileInfo* dir, char* &result, Bit16u entryNr)
 // No Dir Cache, 
 // ****************************************************************************
 
+static DIR*	srch_opendir = 0;
+
 DOS_No_Drive_Cache::DOS_No_Drive_Cache(const char* path)
 {
 	SetBaseDir(path);

src/dos/drive_local.cpp

@@ -21,6 +21,7 @@
 #include <string.h>
 #include <time.h>
 #include <errno.h>
+#include <dirent.h>
 #include "dosbox.h"
 #include "dos_inc.h"
 #include "drives.h"