!11 Initialize 'nrhs' to avoid gcc warning

From: @ultra_planet
Reviewed-by: @small_leek
Signed-off-by: @small_leek

Initialize-nrhs-to-avoid-gcc-warning.patch

@@ -0,0 +1,29 @@
+From dac8e133866684c2e090f9922871dc3e3b501a30 Mon Sep 17 00:00:00 2001
+From: lingsheng <lingsheng@huawei.com>
+Date: Mon, 11 Jan 2021 14:27:49 +0800
+Subject: [PATCH] Initialize 'nrhs' to avoid gcc warning
+
+---
+ expr.c | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/expr.c b/expr.c
+index 4059a32..01851c8 100644
+--- a/expr.c
++++ b/expr.c
+@@ -189,10 +189,10 @@ int
+ expr_clone(struct expr_node *retp, const struct expr_node *node)
+ {
+ 	*retp = *node;
++	struct expr_node *nlhs;
++	struct expr_node *nrhs = NULL;
+ 
+ 	switch (node->kind) {
+-		struct expr_node *nlhs;
+-		struct expr_node *nrhs;
+ 
+ 	case EXPR_OP_ARGNO:
+ 	case EXPR_OP_SELF:
+-- 
+2.23.0
+

ltrace.spec

@@ -1,6 +1,6 @@
 name:           ltrace
 Version:        0.7.91
-Release:        30
+Release:        31
 Summary:        Trace the Library and System Calls a Program Makes
 
 License:        GPLv2+
@@ -29,6 +29,7 @@ Patch9000:      bugfix-0001-ltrace-0.7.91-aarch64_be-compile-support.patch
 Patch9001:      bugfix-0001-ltrace-byteswap-instruction-in-arm-be8-mode.patch
 Patch9002:      bugfix-for-use-after-free-about-soname.patch
 Patch9003:      fix-null-directive-argument.patch
+Patch9004:      Initialize-nrhs-to-avoid-gcc-warning.patch
 
 BuildRequires:  elfutils-devel dejagnu libselinux-devel autoconf automake libtool
 
@@ -74,6 +75,9 @@ autoreconf -i
 %{_mandir}/man5/ltrace.conf.5*
 
 %changelog
+* Mon Jan 11 2021 lingsheng <lingsheng@huawei.com> - 0.7.91-31
+- Initialize 'nrhs' to avoid gcc warning
+
 * Sat May 16 2020 Senlin Xia <xiasenlin1@huawei.com> - 0.7.91-30
 - fix the error: "%s" directive argument is NULL [-Werror=format-overflow=]