Fix armasm64 parsing error

Newer versions of armasm64 seem to be more lenient so that might be why we don't see this error when building this same code in JDK tip.

Author: raneashay

src/hotspot/os_cpu/windows_aarch64/safefetch_windows_aarch64.S

@@ -27,12 +27,13 @@
     ;  x0 : address
     ;  w1 : defaultval
 
+    AREA safefetch_text, CODE
+
     ; needed to align function start to 4 byte
     ALIGN  4
     EXPORT _SafeFetch32_fault
     EXPORT _SafeFetch32_continuation
     EXPORT SafeFetch32_impl
-    AREA safefetch_text, CODE
 
 SafeFetch32_impl
 _SafeFetch32_fault