SDL: update path to visualc README

From 9c1871c14488fd324ff3285f6fb281e22beb8aa8 Mon Sep 17 00:00:00 2001
From: erik yuzwa <[EMAIL REDACTED]>
Date: Sun, 14 Feb 2021 19:17:58 -0700
Subject: [PATCH] update path to visualc README

---
 INSTALL.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/INSTALL.txt b/INSTALL.txt
index 21f463de3..4d86153c7 100644
--- a/INSTALL.txt
+++ b/INSTALL.txt
@@ -2,7 +2,7 @@
 To compile and install SDL:
 
     1.  Windows with Visual Studio:
-        * Read VisualC.html
+        * Read ./docs/README-visualc.md
 
         Windows with gcc, either native or cross-compiling:
         * Read the FAQ at https://github.com/libsdl-org/SDL/wiki/FAQWindows