externs.patch

--- Sil/src/externs.h   2014-11-15 13:36:45.000000000 -0500
+++ Sil/src/externs.h   2020-10-01 16:32:09.625106937 -0400
@@ -54,8 +54,8 @@


 /* variable.c */
-char mini_screenshot_char[7][7];
-byte mini_screenshot_attr[7][7];
+extern char mini_screenshot_char[7][7];
+extern byte mini_screenshot_attr[7][7];
 extern cptr copyright;
 extern byte version_major;
 extern byte version_minor;