bug#23993: [PATCH] Fix cursor display (bug#23993)

[Alan Third <alan@idiocy.org>]

* src/xdisp.c (get_phys_cursor_geometry): Fix invalid C operator.
---
 src/xdisp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/xdisp.c b/src/xdisp.c
index 14d6f8f..efd5f54 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -2237,7 +2237,7 @@ get_phys_cursor_geometry (struct window *w, struct glyph_row *row,
   ascent = row->ascent;
   if (row->ascent < glyph->ascent)
     {
-      y =- glyph->ascent - row->ascent;
+      y -= glyph->ascent - row->ascent;
       ascent = glyph->ascent;
     }
 
-- 
Eli, I just wanted to run this by you because you wrote this code and
I'm not sure if that =- is just a typo or it's something I've never
seen before. My guess is it's a typo and gcc happily treats it as -=,
but clang handles it more like 'y = y - a - b' resulting in odd
behaviour on OS X.

-- 
Alan Third