Remove spurious const qualifier from function return type

Author: nikic

Zend/zend_vm_execute.h

@@ -59485,7 +59485,7 @@ ZEND_API int zend_vm_kind(void)
 	return ZEND_VM_KIND;
 }
 
-static const uint32_t ZEND_FASTCALL zend_vm_get_opcode_handler_idx(uint32_t spec, const zend_op* op)
+static uint32_t ZEND_FASTCALL zend_vm_get_opcode_handler_idx(uint32_t spec, const zend_op* op)
 {
 	static const int zend_vm_decode[] = {
 		_UNUSED_CODE, /* 0 = IS_UNUSED  */

Zend/zend_vm_gen.php

@@ -2696,7 +2696,7 @@ function gen_vm($def, $skel) {
     out($f, "\n");
 
     // Generate zend_vm_get_opcode_handler() function
-    out($f, "static const uint32_t ZEND_FASTCALL zend_vm_get_opcode_handler_idx(uint32_t spec, const zend_op* op)\n");
+    out($f, "static uint32_t ZEND_FASTCALL zend_vm_get_opcode_handler_idx(uint32_t spec, const zend_op* op)\n");
     out($f, "{\n");
     if (!ZEND_VM_SPEC) {
         out($f, "\treturn spec;\n");