Make win variable internal to x.c

There was only a single reference to the `win` variable in st.c, so
exporting that to x.c allows us to rid ourselves of another extern.

Signed-off-by: Devin J. Pohly <djpohly@gmail.com>

1 files changed, 0 insertions, 1 deletions

diff --git a/st.h b/st.h
index 71c79f4c83c8..8637d358123e 100644
--- a/st.h
+++ b/st.h
@@ -201,7 +201,6 @@ void *xrealloc(void *, size_t);
 char *xstrdup(char *);
 
 /* Globals */
-extern TermWindow win;
 extern Term term;
 extern Selection sel;
 extern int cmdfd;