[libhandy] carousel-box: Initialize lower and upper variables

[Adrien Plazas <aplazas src gnome org>]

commit f11fcbcf86c7d3c3c3688967af9d5bc7f96ab320
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Tue Feb 16 03:29:57 2021 +0500

    carousel-box: Initialize lower and upper variables
    
    Fix warnings with --buildtype=optimized.

 src/hdy-carousel-box.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
---
diff --git a/src/hdy-carousel-box.c b/src/hdy-carousel-box.c
index af4dbd20..df279ea4 100644
--- a/src/hdy-carousel-box.c
+++ b/src/hdy-carousel-box.c
@@ -418,7 +418,7 @@ static void
 set_position (HdyCarouselBox *self,
               gdouble         position)
 {
-  gdouble lower, upper;
+  gdouble lower = 0, upper = 0;
 
   hdy_carousel_box_get_range (self, &lower, &upper);
 
@@ -1741,6 +1741,9 @@ hdy_carousel_box_get_page_at_position (HdyCarouselBox *self,
 
   g_return_val_if_fail (HDY_IS_CAROUSEL_BOX (self), NULL);
 
+  lower = 0;
+  upper = 0;
+
   hdy_carousel_box_get_range (self, &lower, &upper);
 
   position = CLAMP (position, lower, upper);