[openwrt/openwrt] f2fs-tools: fix compilation with musl 1.2.4

[LEDE Commits]

ynezz pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/8f455f7c5e0c1fe7c8c2297a2fa4b2a6c7d6c91e

commit 8f455f7c5e0c1fe7c8c2297a2fa4b2a6c7d6c91e
Author: Tianling Shen <cnsztl at immortalwrt.org>
AuthorDate: Tue May 16 19:03:29 2023 +0800

    f2fs-tools: fix compilation with musl 1.2.4
    
    musl 1.2.4 deprecated legacy "LFS64" ("large file support") interfaces and
    autotools failed to check the lseek64 function.
    
    Force enable ac_cv_func_lseek64 to workaround it.
    
    Signed-off-by: Tianling Shen <cnsztl at immortalwrt.org>
---
 package/utils/f2fs-tools/Makefile | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/package/utils/f2fs-tools/Makefile b/package/utils/f2fs-tools/Makefile
index 99d402af6c..c4e3720dd8 100644
--- a/package/utils/f2fs-tools/Makefile
+++ b/package/utils/f2fs-tools/Makefile
@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=f2fs-tools
 PKG_VERSION:=1.15.0
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs-tools.git/snapshot/
@@ -111,6 +111,10 @@ endif
 CONFIGURE_VARS += \
 	ac_cv_file__git=no
 
+ifneq ($(CONFIG_USE_MUSL),)
+  CONFIGURE_VARS += ac_cv_func_lseek64=yes
+endif
+
 define Package/libf2fs/install
 	$(INSTALL_DIR) $(1)/usr/lib
 	$(CP) \