lib/safe_file_ops: fix typo

s/assigment/assignment/g
s/supressed/suppressed/g

Signed-off-by: Wei,Jiangang <weijg.fnst@cn.fujitsu.com>
diff --git a/lib/safe_file_ops.c b/lib/safe_file_ops.c
index 683c4eb..a46939a 100644
--- a/lib/safe_file_ops.c
+++ b/lib/safe_file_ops.c
@@ -35,8 +35,8 @@
 
 /*
  * Count number of expected assigned conversions. Any conversion starts with '%'.
- * The '%%' matches % and no assigment is done. The %*x matches as x would do but
- * the assigment is supressed.
+ * The '%%' matches % and no assignment is done. The %*x matches as x would do but
+ * the assignment is suppressed.
  *
  * NOTE: This is not 100% correct for complex scanf strings, but will do for
  *       all of our intended usage.