[njs] Fixed compilation with gcc.

[Dmitry Volyntsev]

details:   https://hg.nginx.org/njs/rev/65f4b11e3302
branches:  
changeset: 1349:65f4b11e3302
user:      Dmitry Volyntsev <xeioex at nginx.com>
date:      Tue Mar 03 20:14:48 2020 +0300
description:
Fixed compilation with gcc.

diffstat:

 src/njs_fs.c |  3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diffs (13 lines):

diff -r c5c6aab76bb4 -r 65f4b11e3302 src/njs_fs.c
--- a/src/njs_fs.c	Tue Mar 03 19:00:54 2020 +0300
+++ b/src/njs_fs.c	Tue Mar 03 20:14:48 2020 +0300
@@ -818,6 +818,9 @@ njs_fs_mode(njs_vm_t *vm, njs_value_t *v
     uint32_t   u32;
     njs_int_t  ret;
 
+    /* GCC complains about uninitialized u32. */
+    u32 = 0;
+
     if (njs_is_undefined(value)) {
         return default_mode;
     }