fix build for uClibc toolchain

package/nss/Makefile

@@ -5,7 +5,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=		nss
 PKG_VERSION:=		3.15.3.1
-PKG_RELEASE:=		1
+PKG_RELEASE:=		2
 PKG_MAJ_VERSION:=	3
 PKG_MIN_VERSION:=	15
 PKG_PATCH_VERSION:=	3
@@ -38,7 +38,7 @@ endif
 XAKE_FLAGS+=		USE_64=1
 endif
 
-MAKE_FLAGS+=		NATIVE_CC="${CC_FOR_BUILD}" NATIVE_FLAGS="${CFLAGS_FOR_BUILD}"
+MAKE_FLAGS+=		NATIVE_CC="${HOST_CC}" NATIVE_FLAGS="${HOST_CFLAGS}"
 TARGET_CPPFLAGS+=	-I${STAGING_TARGET_DIR}/usr/include/nspr
 TARGET_CFLAGS+=		-I${STAGING_TARGET_DIR}/usr/include/nspr
 TARGET_LDFLAGS+=	-ldl -pthread -lrt