txt_fileselect.c: add missing ctype.h include

On FreeBSD this include is not pulled in implicitly so the build fails with `error: implicitly declaring library function 'isalpha' with type 'int (int)' [-Werror,-Wimplicit-function-declaration]` for me.
fabiangreffrath · Jun 18, 2022 · 6a03c4f · 6a03c4f
1 parent 6e2d5f9
commit 6a03c4f
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/textscreen/txt_fileselect.c b/textscreen/txt_fileselect.c
@@ -15,6 +15,7 @@
 // Routines for selecting files.
 //
 
+#include <ctype.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>