Track rename of base/ to android-base/.

Change-Id: Idf9444fece4aa89c93e15640de59a91f6e758ccf
diff --git a/init/signal_handler.cpp b/init/signal_handler.cpp
index 867abbc..e7d42cb 100644
--- a/init/signal_handler.cpp
+++ b/init/signal_handler.cpp
@@ -23,7 +23,7 @@
 #include <sys/wait.h>
 #include <unistd.h>
 
-#include <base/stringprintf.h>
+#include <android-base/stringprintf.h>
 #include <cutils/android_reboot.h>
 #include <cutils/list.h>
 #include <cutils/sockets.h>