Revert hscroll and min_hscroll to ptrdiff_t.

Fixes: debbugs:11857

3 files changed, 3 insertions, 6 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index d14c322cadf..6c3810c6bac 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -5,9 +5,6 @@
         coordinates when window's hscroll is set to insanely large
         values.  (Bug#11857)
 
-        * window.h (struct window) <hscroll, min_hscroll>: Change type to
-        'int'.
-
 2012-07-05  Juanma Barranquero  <lekktu@gmail.com>
 
         * makefile.w32-in ($(BLD)/dired.$(O), $(BLD)/fileio.$(O)): Fix typo.
diff --git a/src/window.h b/src/window.h
index 2684713eb6b..10cabed979b 100644
--- a/src/window.h
+++ b/src/window.h
@@ -238,11 +238,11 @@ struct window
     int sequence_number;
 
     /* Number of columns display within the window is scrolled to the left.  */
-    int hscroll;
+    ptrdiff_t hscroll;
 
     /* Minimum hscroll for automatic hscrolling.  This is the value
        the user has set, by set-window-hscroll for example.  */
-    int min_hscroll;
+    ptrdiff_t min_hscroll;
 
     /* Displayed buffer's text modification events counter as of last time
        display completed.  */
diff --git a/src/xdisp.c b/src/xdisp.c
index e6ad6a0bd78..d24c05172b6 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -1258,7 +1258,7 @@ string_from_display_spec (Lisp_Object spec)
 static inline int
 window_hscroll_limited (struct window *w, struct frame *f)
 {
-  int window_hscroll = w->hscroll;
+  ptrdiff_t window_hscroll = w->hscroll;
   int window_text_width = window_box_width (w, TEXT_AREA);
   int colwidth = FRAME_COLUMN_WIDTH (f);