rewrite to avoid broken links

package/uclibc-ng/Makefile

@@ -42,9 +42,9 @@ ifneq ($(ADK_TARGET_USE_STATIC_LIBS)$(ADK_TARGET_BINFMT_FLAT),y)
 		$(IDIR_UCLIBC_NG)/$(ADK_TARGET_LIBC_PATH)
 	$(CP) $(STAGING_TARGET_DIR)/lib/ld*-uClibc.so.* $(IDIR_UCLIBC_NG)/$(ADK_TARGET_LIBC_PATH)
 	# backward compatible symlink
-	test ! -f $(IDIR_UCLIBC_NG)/$(ADK_TARGET_LIBC_PATH)/ld-uClibc.so.1 || \
+	-test -f $(IDIR_UCLIBC_NG)/$(ADK_TARGET_LIBC_PATH)/ld-uClibc.so.1 && \
 		cd $(IDIR_UCLIBC_NG)/$(ADK_TARGET_LIBC_PATH) && ln -sf ld-uClibc.so.1 ld-uClibc.so.0
-	test ! -f $(IDIR_UCLIBC_NG)/$(ADK_TARGET_LIBC_PATH)/ld64-uClibc.so.1 || \
+	-test -f $(IDIR_UCLIBC_NG)/$(ADK_TARGET_LIBC_PATH)/ld64-uClibc.so.1 && \
 		cd $(IDIR_UCLIBC_NG)/$(ADK_TARGET_LIBC_PATH) && ln -sf ld64-uClibc.so.1 ld64-uClibc.so.0
 	-for file in libcrypt libdl libm libresolv libutil; do \
 		$(CP) $(STAGING_TARGET_DIR)/lib/$$file.so* $(IDIR_UCLIBC_NG)/$(ADK_TARGET_LIBC_PATH); \