Cleanup: Blenlib, Clang-Tidy else-after-return fixes (incomplete)

This addresses warnings from Clang-Tidy's `readability-else-after-return`
rule in the `source/blender/blenlib` module. Not all warnings are
addressed in this commit.

No functional changes.

1 files changed, 5 insertions, 12 deletions

diff --git a/source/blender/blenlib/intern/convexhull_2d.c b/source/blender/blenlib/intern/convexhull_2d.c
index b37dc73db29..6e4a8623077 100644
--- a/source/blender/blenlib/intern/convexhull_2d.c
+++ b/source/blender/blenlib/intern/convexhull_2d.c
@@ -115,9 +115,7 @@ int BLI_convexhull_2d_sorted(const float (*points)[2], const int n, int r_points
       if (is_left(points[r_points[top - 1]], points[r_points[top]], points[i]) > 0.0f) {
         break; /* points[i] is a new hull vertex */
       }
-      else {
-        top--; /* pop top point off stack */
-      }
+      top--; /* pop top point off stack */
     }
 
     r_points[++top] = i; /* push points[i] onto stack */
@@ -141,9 +139,7 @@ int BLI_convexhull_2d_sorted(const float (*points)[2], const int n, int r_points
       if (is_left(points[r_points[top - 1]], points[r_points[top]], points[i]) > 0.0f) {
         break; /* points[i] is a new hull vertex */
       }
-      else {
-        top--; /* pop top point off stack */
-      }
+      top--; /* pop top point off stack */
     }
 
     if (points[i][0] == points[r_points[0]][0] && points[i][1] == points[r_points[0]][1]) {
@@ -172,20 +168,17 @@ static int pointref_cmp_yx(const void *a_, const void *b_)
   if (a->pt[1] > b->pt[1]) {
     return 1;
   }
-  else if (a->pt[1] < b->pt[1]) {
+  if (a->pt[1] < b->pt[1]) {
     return -1;
   }
 
   if (a->pt[0] > b->pt[0]) {
     return 1;
   }
-  else if (a->pt[0] < b->pt[0]) {
+  if (a->pt[0] < b->pt[0]) {
     return -1;
   }
-
-  else {
-    return 0;
-  }
+  return 0;
 }
 
 /**