x86_64: silence warning if !TLS

TODO: fix all other arches

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

ldso/ldso/x86_64/elfinterp.c

@@ -157,7 +157,9 @@ _dl_do_reloc(struct elf_resolve *tpnt, struct dyn_elf *scope,
 	int reloc_type;
 	int symtab_index;
 	char *symname;
-	struct elf_resolve *tls_tpnt = NULL;
+#if defined USE_TLS && USE_TLS
+	struct elf_resolve *tls_tpnt;
+#endif
 	struct symbol_ref sym_ref;
 	ElfW(Addr) *reloc_addr;
 	ElfW(Addr) symbol_addr;
@@ -186,13 +188,17 @@ _dl_do_reloc(struct elf_resolve *tpnt, struct dyn_elf *scope,
 			/* This may be non-fatal if called from dlopen. */
 			return 1;
 		}
+#if defined USE_TLS && USE_TLS
 		tls_tpnt = sym_ref.tpnt;
+#endif
 	} else {
 		/* Relocs against STN_UNDEF are usually treated as using a
 		 * symbol value of zero, and using the module containing the
 		 * reloc itself. */
 		symbol_addr = sym_ref.sym->st_value;
+#if defined USE_TLS && USE_TLS
 		tls_tpnt = tpnt;
+#endif
 	}