Other small tweaks

Marlin/cardreader.cpp

@@ -91,9 +91,9 @@ void CardReader::lsDive(const char *prepend, SdFile parent, const char * const m
     {
       char pn0 = p.name[0];
       if (pn0 == DIR_NAME_FREE) break;
-      if (pn0 == DIR_NAME_DELETED || pn0 == '.'|| pn0 == '_') continue;
+      if (pn0 == DIR_NAME_DELETED || pn0 == '.' || pn0 == '_') continue;
-      if (longFilename[0] != '\0' &&
+      char lf0 = longFilename[0];
-          (longFilename[0] == '.' || longFilename[0] == '_')) continue;
+      if (lf0 == '.' || lf0 == '_') continue;
 
       if (!DIR_IS_FILE_OR_SUBDIR(&p)) continue;
       filenameIsDir=DIR_IS_SUBDIR(&p);

Marlin/ultralcd.cpp

@@ -261,7 +261,7 @@ static void lcd_status_screen()
 
     if (feedmultiply < 10)
         feedmultiply = 10;
-    if (feedmultiply > 999)
+    else if (feedmultiply > 999)
         feedmultiply = 999;
 #endif//ULTIPANEL
 }