opcache: Use more formal language in warning message

Author: TimWolla

ext/opcache/tests/opcache_enable_noop_001.phpt

@@ -21,4 +21,4 @@ Should not warn:
 Disabling:
 Should warn:
 
-Warning: Zend OPcache can't be temporarily enabled (it may be only disabled till the end of request) in %s on line %d
+Warning: Zend OPcache can't be temporarily enabled (it may be only disabled until the end of request) in %s on line %d

ext/opcache/tests/opcache_enable_noop_002.phpt

@@ -15,4 +15,4 @@ ini_set('opcache.enable', 1);
 --EXPECTF--
 Should warn, since the INI was initialized to 0:
 
-Warning: Zend OPcache can't be temporarily enabled (it may be only disabled till the end of request) in %s on line %d
+Warning: Zend OPcache can't be temporarily enabled (it may be only disabled until the end of request) in %s on line %d

ext/opcache/zend_accelerator_module.c

@@ -171,10 +171,10 @@ static ZEND_INI_MH(OnEnable)
 				if (strcmp(sapi_module.name, "fpm-fcgi") == 0) {
 					zend_accel_error(ACCEL_LOG_WARNING, ACCELERATOR_PRODUCT_NAME " can't be temporarily enabled. Are you using php_admin_value[opcache.enable]=1 in an individual pool's configuration?");
 				} else {
-					zend_accel_error(ACCEL_LOG_WARNING, ACCELERATOR_PRODUCT_NAME " can't be temporarily enabled (it may be only disabled till the end of request)");
+					zend_accel_error(ACCEL_LOG_WARNING, ACCELERATOR_PRODUCT_NAME " can't be temporarily enabled (it may be only disabled until the end of request)");
 				}
 			} else {
-				zend_error(E_WARNING, ACCELERATOR_PRODUCT_NAME " can't be temporarily enabled (it may be only disabled till the end of request)");
+				zend_error(E_WARNING, ACCELERATOR_PRODUCT_NAME " can't be temporarily enabled (it may be only disabled until the end of request)");
 			}
 			return FAILURE;
 		} else {