perf probe: Fix to add missed brace around if block

The commit 75186a9b (perf probe: Fix to show lines of sys_ functions
correctly) introduced a bug by a missed brace around if block. This
fixes to add it.
Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Fixes: 75186a9b ("perf probe: Fix to show lines of sys_ functions correctly")
Link: http://lkml.kernel.org/r/20150812215541.9088.62425.stgit@localhost.localdomainSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/util/dwarf-aux.c

@@ -770,7 +770,7 @@ int die_walk_lines(Dwarf_Die *rt_die, line_walk_callback_t callback, void *data)
 			continue;
 		}
 		/* Filter lines based on address */
-		if (rt_die != cu_die)
+		if (rt_die != cu_die) {
 			/*
 			 * Address filtering
 			 * The line is included in given function, and
@@ -784,6 +784,7 @@ int die_walk_lines(Dwarf_Die *rt_die, line_walk_callback_t callback, void *data)
 				    decf != dwarf_decl_file(&die_mem))
 					continue;
 			}
+		}
 		/* Get source line */
 		fname = dwarf_linesrc(line, NULL, NULL);