Use ifunc for ARM32 fortify functions

Test: compile and run bionic unit tests
Test: make PRODUCT-sdk_phone_arm64-sdk
Change-Id: I614f495ad6053d507446a6a896b9199825325188
diff --git a/libc/arch-arm/krait/bionic/__strcpy_chk.S b/libc/arch-arm/krait/bionic/__strcpy_chk.S
index ca4cf7f..969e112 100644
--- a/libc/arch-arm/krait/bionic/__strcpy_chk.S
+++ b/libc/arch-arm/krait/bionic/__strcpy_chk.S
@@ -39,7 +39,7 @@
 
 // Get the length of the source string first, then do a memcpy of the data
 // instead of a strcpy.
-ENTRY(__strcpy_chk)
+ENTRY(__strcpy_chk_krait)
     pld     [r0, #0]
     push    {r0, lr}
     .cfi_adjust_cfa_offset 8
@@ -162,4 +162,4 @@
 
 #include "memcpy_base.S"
 
-END(__strcpy_chk)
+END(__strcpy_chk_krait)