master 802671493d: Avoid invalid values showing up in scroll valuators

[Po Lu]

branch: master
commit 802671493d7c18569dac47ca91a4b7d6e693aff6
Author: Po Lu <luangruo@yahoo.com>
Commit: Po Lu <luangruo@yahoo.com>

    Avoid invalid values showing up in scroll valuators
    
    * src/xterm.c (xi_populate_device_from_info): Reset emacs_value
    when invalid_p is cleared.
---
 src/xterm.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/xterm.c b/src/xterm.c
index abe9c7304e..1f14daa39f 100644
--- a/src/xterm.c
+++ b/src/xterm.c
@@ -5472,7 +5472,9 @@ xi_populate_device_from_info (struct x_display_info 
*dpyinfo,
          if (xi_device->valuators[c].number == tem->number)
            {
              xi_device->valuators[c].invalid_p = false;
-             xi_device->valuators[c].current_value = tem->current_value;
+             xi_device->valuators[c].current_value
+               = tem->current_value;
+             xi_device->valuators[c].emacs_value = 0.0;
            }
        }
     }