Fix x86 gdbserver build.
Add the x86-only elf_fpxregset_t to <sys/procfs.h>, and rename
user_fxsr_struct (the kernel's name) to user_fpxregs_struct (the
userspace name).
Bug: http://b/22068064
Change-Id: Id466096bf02baf6bd49b193f49d9036848d33548
diff --git a/libc/include/sys/procfs.h b/libc/include/sys/procfs.h
index b5b1a46..7ef5023 100644
--- a/libc/include/sys/procfs.h
+++ b/libc/include/sys/procfs.h
@@ -39,6 +39,10 @@
typedef fpregset_t elf_fpregset_t;
+#if defined(__i386__)
+typedef struct user_fpxregs_struct elf_fpxregset_t;
+#endif
+
typedef elf_gregset_t prgregset_t;
typedef elf_fpregset_t prfpregset_t;