Fix build by avoiding the _C_LABEL macro.

Change-Id: Ide367c2b65071388bd95fbc81a4ed6ae94aec4e4
diff --git a/libc/arch-mips64/syscalls/setrlimit.S b/libc/arch-mips64/syscalls/setrlimit.S
index e512c1d..9ed0024 100644
--- a/libc/arch-mips64/syscalls/setrlimit.S
+++ b/libc/arch-mips64/syscalls/setrlimit.S
@@ -30,5 +30,5 @@
     .set pop
     .end setrlimit
 
-    .globl _C_LABEL(setrlimit64)
-    .equ _C_LABEL(setrlimit64), _C_LABEL(setrlimit)
+    .globl setrlimit64
+    .equ setrlimit64, setrlimit