doc: Fixes a typo in the file system documentation

SEE_CUR -> SEEK_CUR

Change-Id: I62bba618bb942489e01e66e01d5f4806122a4e21
Signed-off-by: Ramesh Thomas <ramesh.thomas@intel.com>
diff --git a/include/fs.h b/include/fs.h
index 0fe934a..4cd8ba3 100644
--- a/include/fs.h
+++ b/include/fs.h
@@ -175,7 +175,7 @@
  * @param offset Relative location to move the file pointer to
  * @param whence Relative location from where offset is to be calculated.
  * - SEEK_SET = from beginning of file
- * - SEE_CUR = from current position,
+ * - SEEK_CUR = from current position,
  * - SEEK_END = from end of file.
  *
  * @retval 0 Success