[openwrt/openwrt] mbedtls: fix building with GCC 15.1

[LEDE Commits]

robimarko pushed a commit to openwrt/openwrt.git, branch main:
https://git.openwrt.org/e5952140309a4abb5f6f3273ec5819044462e182

commit e5952140309a4abb5f6f3273ec5819044462e182
Author: Rui Salvaterra <rsalvaterra at gmail.com>
AuthorDate: Sat Apr 26 11:42:05 2025 +0100

    mbedtls: fix building with GCC 15.1
    
    Disable -Wunterminated-string-initialization for now.
    
    Signed-off-by: Rui Salvaterra <rsalvaterra at gmail.com>
    Link: https://github.com/openwrt/openwrt/pull/18600
    Signed-off-by: Robert Marko <robimarko at gmail.com>
---
 package/libs/mbedtls/Makefile | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/package/libs/mbedtls/Makefile b/package/libs/mbedtls/Makefile
index 6d16819d3a..c4969c0f64 100644
--- a/package/libs/mbedtls/Makefile
+++ b/package/libs/mbedtls/Makefile
@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=mbedtls
 PKG_VERSION:=3.6.3
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 PKG_BUILD_FLAGS:=no-mips16 gc-sections no-lto
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
@@ -129,7 +129,7 @@ This package contains mbedtls helper programs for private key and
 CSR generation (gen_key, cert_req)
 endef
 
-TARGET_CFLAGS := $(filter-out -O%,$(TARGET_CFLAGS))
+TARGET_CFLAGS := $(filter-out -O%,$(TARGET_CFLAGS)) -Wno-unterminated-string-initialization
 
 CMAKE_OPTIONS += \
 	-DCMAKE_POSITION_INDEPENDENT_CODE=ON \