Removed unnecessary truncate condition thanks to new seek optimization

lfs.c

@@ -3121,16 +3121,14 @@ static int lfs_file_rawtruncate(lfs_t *lfs, lfs_file_t *file, lfs_off_t size) {
         file->flags |= LFS_F_DIRTY | LFS_F_READING;
     } else if (size > oldsize) {
         // flush+seek if not already at end
-        if (file->pos != oldsize) {
-            lfs_soff_t res = lfs_file_rawseek(lfs, file, 0, LFS_SEEK_END);
-            if (res < 0) {
-                return (int)res;
-            }
+        lfs_soff_t res = lfs_file_rawseek(lfs, file, 0, LFS_SEEK_END);
+        if (res < 0) {
+            return (int)res;
         }
 
         // fill with zeros
         while (file->pos < size) {
-            lfs_ssize_t res = lfs_file_rawwrite(lfs, file, &(uint8_t){0}, 1);
+            res = lfs_file_rawwrite(lfs, file, &(uint8_t){0}, 1);
             if (res < 0) {
                 return (int)res;
             }