Fixed the setting of nvr_path, NVR's with CMOS settings now get saved again;

Added pclog_w which is the Unicode version of pclog, used in disc.c for logging when a floppy image could not be loaded.

src/disc.c

@@ -127,7 +127,7 @@ void disc_load(int drive, wchar_t *fn)
                 }
                 c++;
         }
-        pclog("Couldn't load %s %s\n",fn,p);
+        pclog_w(L"Couldn't load %s %s\n",fn,p);
         drive_empty[drive] = 1;
 	fdd_set_head(real_drive(drive), 0);
         discfns[drive][0] = L'\0';