tracing: fix typo and missing inline function

Impact: fix build bugs

Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 8b81b4d..b4b7b73 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -529,7 +529,11 @@
 #else
 static inline int ftrace_trace_addr(unsigned long addr)
 {
-	return 1
+	return 1;
+}
+static inline int ftrace_graph_addr(unsigned long addr)
+{
+	return 1;
 }
 #endif /* CONFIG_DYNAMIC_FTRACE */