updated for version 7.3.400
Problem:    Compiler warnings for shadowed variables.
Solution:   Remove or rename the variables.
diff --git a/src/option.c b/src/option.c
index f6ed2d3..60956d7 100644
--- a/src/option.c
+++ b/src/option.c
@@ -8584,8 +8584,8 @@
     long_u	flags;
 {
     /* Careful: P_RCLR and P_RALL are a combination of other P_ flags */
-    int		clear = (flags & P_RCLR) == P_RCLR;
-    int		all = ((flags & P_RALL) == P_RALL || clear);
+    int		doclear = (flags & P_RCLR) == P_RCLR;
+    int		all = ((flags & P_RALL) == P_RALL || doclear);
 
 #ifdef FEAT_WINDOWS
     if ((flags & P_RSTAT) || all)	/* mark all status lines dirty */
@@ -8596,7 +8596,7 @@
 	changed_window_setting();
     if (flags & P_RBUF)
 	redraw_curbuf_later(NOT_VALID);
-    if (clear)
+    if (doclear)
 	redraw_all_later(CLEAR);
     else if (all)
 	redraw_all_later(NOT_VALID);