Add missing symbol type directives.
diff --git a/libc/arch-arm/bionic/__get_sp.S b/libc/arch-arm/bionic/__get_sp.S
index 9acaf3d..0a313a3 100644
--- a/libc/arch-arm/bionic/__get_sp.S
+++ b/libc/arch-arm/bionic/__get_sp.S
@@ -26,6 +26,7 @@
  * SUCH DAMAGE.
  */
 .global __get_sp
+.type __get_sp, %function
 
 __get_sp:
 	mov r0, sp