avoid warning about unused variable

If LDSO_SEARCH_INTERP_PATH is off then ptmp wasn't used.

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

ldso/ldso/ldso.c

@@ -486,19 +486,18 @@ void _dl_get_ready_to_run(struct elf_resolve *tpnt, DL_LOADADDR_TYPE load_addr,
 
 		/* OK, fill this in - we did not have this before */
 		if (ppnt->p_type == PT_INTERP) {
-			char *ptmp;
-
 			tpnt->libname = (char *) DL_RELOC_ADDR(app_tpnt->loadaddr, ppnt->p_vaddr);
-
 #ifdef __LDSO_SEARCH_INTERP_PATH__
-			/* Store the path where the shared lib loader was found
-			 * for later use
-			 */
-			_dl_ldsopath = _dl_strdup(tpnt->libname);
-			ptmp = _dl_strrchr(_dl_ldsopath, '/');
-			if (ptmp != _dl_ldsopath)
-				*ptmp = '\0';
-
+			{
+				char *ptmp;
+				/* Store the path where the shared lib loader was found
+				 * for later use
+				 */
+				_dl_ldsopath = _dl_strdup(tpnt->libname);
+				ptmp = _dl_strrchr(_dl_ldsopath, '/');
+				if (ptmp != _dl_ldsopath)
+					*ptmp = '\0';
+			}
 			_dl_debug_early("Lib Loader: (%x) %s\n", (unsigned) DL_LOADADDR_BASE(tpnt->loadaddr), tpnt->libname);
 #endif
 		}