Fix int64 support in GetDiskSpaceAvailable, BeOS only fix.

xpcom/io/nsFileSpecBeOS.cpp

@@ -424,34 +424,27 @@ nsresult nsFileSpec::Execute(const char* inArgs ) const
 PRUint64 nsFileSpec::GetDiskSpaceAvailable() const
 //----------------------------------------------------------------------------------------
 {
-    PRUint64 int64;
-    
-    LL_I2L(int64 , ULONG_MAX);
-
     char curdir [MAXPATHLEN];
     if (!mPath || !*mPath)
     {
         (void) getcwd(curdir, MAXPATHLEN);
         if (!curdir)
-            return int64;  /* hope for the best as we did in cheddar */
+            return ULONGLONG_MAX;  /* hope for the best as we did in cheddar */
     }
     else
         sprintf(curdir, "%.200s", (const char*)mPath);
 
     BEntry e(curdir);
     if(e.InitCheck() != B_OK)
-        return int64; /* hope for the best as we did in cheddar */
+        return ULONGLONG_MAX; /* hope for the best as we did in cheddar */
     entry_ref ref;
     e.GetRef(&ref);
     BVolume v(ref.device);
 
-    // HACK!!!
-    LL_I2L(int64 , (v.FreeBytes() > (int64)(ULONG_MAX) ? ULONG_MAX : (int32)v.FreeBytes()));
-
 #ifdef DEBUG_DISK_SPACE
     printf("DiskSpaceAvailable: %d bytes\n", space);
 #endif
-    return int64;
+    return v.FreeBytes();
 } // nsFileSpec::GetDiskSpace()
 
 //========================================================================================