Don't re-sort when pressing the browse keys without affecting the dir

src/browser.c

@@ -400,18 +400,22 @@ int browse_key(int ch) {
       for(n=browse_dir; n!=NULL; n=n->next)
         if(n->flags & FF_BSEL)
           break;
-      if(n != NULL && n->sub != NULL)
+      if(n != NULL && n->sub != NULL) {
         browse_dir = n->sub;
-      if(n == NULL && browse_dir != NULL && browse_dir->parent->parent)
+        sort++;
+      }
+      if(n == NULL && browse_dir != NULL && browse_dir->parent->parent) {
         browse_dir = browse_dir->parent->parent->sub;
-      nonfo++;
         sort++;
+      }
+      nonfo++;
       break;
     case KEY_LEFT:
-      if(browse_dir != NULL && browse_dir->parent->parent != NULL)
+      if(browse_dir != NULL && browse_dir->parent->parent != NULL) {
         browse_dir = browse_dir->parent->parent->sub;
-      nonfo++;
         sort++;
+      }
+      nonfo++;
       break;
 
     /* refresh */
@@ -419,7 +423,6 @@ int browse_key(int ch) {
       if(browse_dir != NULL)
         calc_init(getpath(browse_dir->parent), browse_dir->parent);
       nonfo++;
-      sort++;
       break;
 
     /* and other stuff */