Merge "riscv64: typedef struct ucontext {...} ucontext_t." am: 61d435c29a

Original change: https://android-review.googlesource.com/c/platform/bionic/+/2515775

Change-Id: I6d5291f251d99861a11913f1b61d5a17729fa681
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/libc/include/sys/ucontext.h b/libc/include/sys/ucontext.h
index cefe177..bb6443b 100644
--- a/libc/include/sys/ucontext.h
+++ b/libc/include/sys/ucontext.h
@@ -366,9 +366,9 @@
 
 /* This matches the kernel <asm/ucontext.h> but using mcontext_t. */
 
-typedef struct ucontext_t {
+typedef struct ucontext {
   unsigned long uc_flags;
-  struct ucontext_t* uc_link;
+  struct ucontext* uc_link;
   stack_t uc_stack;
   union {
     sigset_t uc_sigmask;