Fix i386 release build warning

Author: iluuu1994

.github/workflows/push.yml

@@ -169,7 +169,7 @@ jobs:
         uses: ./.github/actions/configure-x32
         with:
           configurationParameters: >-
-            --enable-debug
+            --disable-debug
             --enable-zts
       - name: make
         run: make -j$(/usr/bin/nproc) >/dev/null

main/getopt.c

@@ -97,7 +97,7 @@ PHPAPI int php_getopt(int argc, char* const *argv, const opt_struct opts[], char
 		arg_start = 2;
 
 		/* Check for <arg>=<val> */
-		if ((pos = php_memnstr(&argv[*optind][arg_start], "=", 1, argv[*optind]+arg_end)) != NULL) {
+		if ((pos = memchr(&argv[*optind][arg_start], '=', arg_end - arg_start)) != NULL) {
 			arg_end = pos-&argv[*optind][arg_start];
 			arg_start++;
 		} else {