ksmbd-tools: fix compilation with glibc

Needs to be linked to lpthread.

Signed-off-by: Rosen Penev <rosenp@gmail.com>

net/ksmbd-tools/Makefile

@@ -2,7 +2,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=ksmbd-tools
 PKG_VERSION:=3.3.1
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://codeload.github.com/cifsd-team/ksmbd-tools/tar.gz/$(PKG_VERSION)?
@@ -96,7 +96,7 @@ CONFIGURE_ARGS += \
 CONFIGURE_VARS += GLIB_LIBS="$(STAGING_DIR)/usr/lib/libglib-2.0.a"
 
 TARGET_CFLAGS += -ffunction-sections -fdata-sections -flto
-TARGET_LDFLAGS += -Wl,--gc-sections,--as-needed -liconv $(if $(INTL_FULL),-lintl)
+TARGET_LDFLAGS += -Wl,--gc-sections,--as-needed -liconv $(if $(INTL_FULL),-lintl) $(if $(CONFIG_LIBC_USE_GLIBC),-lpthread)
 
 define Package/ksmbd-server/install
 	$(INSTALL_DIR) $(1)/usr/sbin