Prepare to switch to the uapi <linux/signal.h>.
<time.h> didn't need to copy the cruft from <signal.h>, and
<signal.h> only needs the uid_t hack when it's not using
uapi headers.
pthread_exit.cpp should include what it uses.
Change-Id: I836c36abe0f0a781d41fc425b249d1c7686bb124
diff --git a/libc/bionic/pthread_exit.cpp b/libc/bionic/pthread_exit.cpp
index aa9bd38..cc86271 100644
--- a/libc/bionic/pthread_exit.cpp
+++ b/libc/bionic/pthread_exit.cpp
@@ -28,6 +28,7 @@
#include <pthread.h>
+#include <signal.h>
#include <stdlib.h>
#include <sys/mman.h>