Remove unnecessary (int) casts on sizeof in switch statements

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Entire-Checkpoint: f6b3cea7e41a

1 files changed, 4 insertions, 4 deletions

diff --git a/zutil.c b/zutil.c
index 937c83da44..e6b36c546e 100644
--- a/zutil.c
+++ b/zutil.c
@@ -37,25 +37,25 @@ unsigned long Z_EXPORT PREFIX(zlibCompileFlags)(void) {
     unsigned long flags;
 
     flags = 0;
-    switch ((int)(sizeof(unsigned int))) {
+    switch (sizeof(unsigned int)) {
     case 2:     break;
     case 4:     flags += 1;     break;
     case 8:     flags += 2;     break;
     default:    flags += 3;
     }
-    switch ((int)(sizeof(unsigned long))) {
+    switch (sizeof(unsigned long)) {
     case 2:     break;
     case 4:     flags += 1 << 2;        break;
     case 8:     flags += 2 << 2;        break;
     default:    flags += 3 << 2;
     }
-    switch ((int)(sizeof(void *))) {
+    switch (sizeof(void *)) {
     case 2:     break;
     case 4:     flags += 1 << 4;        break;
     case 8:     flags += 2 << 4;        break;
     default:    flags += 3 << 4;
     }
-    switch ((int)(sizeof(z_off_t))) {
+    switch (sizeof(z_off_t)) {
     case 2:     break;
     case 4:     flags += 1 << 6;        break;
     case 8:     flags += 2 << 6;        break;